Koolertron Top 20 Products from Electronics Brand

Koolertron 5 inch Digital Video Magnifier, Handheld Portable Electronic Reading Aid Support AV Output to TV with 4X/8X/16X/24X/32X Zoom Multiple 17 Kinds Color Mode, Rechargeable Battery Powered,etc

Camera Loupes

5inch big screen, 4X/8X/16X/24X/32X switchable magnification

Support picture freeze to take a close look. Support take photos, HD storage and playback of text and image.

Support temporary lighting flashlight, TF card(not included). Screen backlight can be adjusted. Memory function can automatically save the user all the last settings and remember the user's habits.

AV output connecting to TV to provide greater and clearer visual effects.

Large capacity removable rechargeble 2500mAh battery, the ultimate power-saving design, 4 hours runtime. Automatic shut-down after the screen is static and no operation for 3 minutes.

Koolertron 9-inch LCD Digital Microscope - 12MP 1600x 1080P HD, 32G TF Card & 5000mAh Battery, 10-inch Stand & Side Light for Plant/Rock/Circuit Board/Coin Detection and Analysis

Digital Microscopes

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9 inch Large LCD Screen : Digital Microscope is equipped with 9 inch HD display, more clear and convenient to observe, you can view the details of the object more clearly.

10-inch Stand, Capture the Whole Coin : Upgrade the extra-long stand, lift the Video Microscope to the top of the stand, the display can easily capture the full coin

Rechargeable 5000mAh Li-ion Battery : This 9-inch Microscope Camera with screen is powered by rechargeable 5000mAh Li-ion battery or direct power supply via USB, portable and independent, you can explore the amazing colorful micro world outdoors

PC Support : The KoolertronMicroscope also supports real-time viewing when connected to a computer via USB cable, and the zoom effect is displayed on a larger screen, making it easy for multiple people to observe at the same time

Save and Export Images and Videos : This Coin Microscope is equipped with a Micro SD card slot. You can save the images and videos obtained during observation to the card and output them. This microscope is equipped with 32G Micro-SD card (maximum support 128G Micro SD card)

8 LED Lights and 2 Additional Auxiliary Lights : This LCD Digital USB Microscopeis equipped with 8 LED lights with adjustable brightness and 2 additional auxiliary lights. The light can be turned on when the light source is low, providing excellent detail and optimal clarity

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Koolertron Macro Programmable Keypad, One Handed Programmable Mechanical Keyboard, RGB Blue Switch Hot Swappable, 6 Keys 1 Knob Backlit Keypad for Working and Gaming, Black

Keyboards Wireless Keyboards

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Handy for Work: Define each key and the knob in different commands as you need, then just one click to achieve specific command without input complex combination of shortcut keys

UP to 16 Macros: Programmable keypad can create up to 16 macros, and each macro can max input 500 characters, enough for making program/game/office more efficiently

6 Layers User Setting: No need to repeat set, one-handed gaming keyboard is built-in storage function, enough for storage 6 layers different keys commands, and you can switch the layer on web or the software

Web & Software Setting: Macro Keypad can be set on web or software, web setting for PC system Windows (7/9/10/11) and Mac OS, software setting for PC system Windows (10/11) and Mac OS,Not compatible with Linux system

Hot Swap & Compact Design: The keypad supports hot swap function, plug and play; and in a compact size, perfect for gaming setups with limited desk space

RGB Backlit: Free to switch the light color on web/software, and also can turn the breathing effect on/off

Mechanical Switches: Responsive mechanical key switches deliver tactile feedback and precise actuation for gaming (Blue Switch Keyboard, all the keycaps and key shafts removable)

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Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Blue Switches

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[All 23 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 104 buttons, 8 web navigation buttons, 8 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons

[All Macro Keys] There are 24 macro function buttons, 12 of which are advanced macros, 12 are quick macros. Macro functions can be used in series and can support up to 792 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operations

[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors

[Portable Mini Keypad] Portable Mini keypad，5"x 3.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other

[RGB Backlight] RGB backlight can be customized to the player's desired color, supports 4 kinds of cool lighting effects. The backlight brightness can be adjusted/turned off

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Koolertron One Handed Mechanical Gaming Keyboard, 48 Keys Fully Programmable Mini USB Macro Keyboard with Red Switch, for Gamers/Designers/Video Editor

Keyboards Wireless Keyboards

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[48 Programmable Keys & 32 Macro Keys Based Hardware] Program all 48 keys or create 32 complex macros with the configuration software to take full command of your computer. A macro key can output up to 255 characters. Support macro editing and recording functions. Perfect not only for gamers, but also for so many other types of users including supermarket cashier, designers and video editors

[Portable Mini keypad] Portable Mini keypad, effectively save desktop space. You can connect the keypad and a 104-key keyboard with the same computer at the same time, they will not interfere with each other.

[Uniqueness Keycaps] trigger travel of 2±0.6mm, keystroke force of 45±15cN, plus full anti-ghosting ensures great feel and accuracy. Free 4 replaceable keycaps without printing.

[Windows Shortcut Keys] Supports 21 multimedia keys defined by Windows, and supports the combination shortcut keys of keyboard keys + mouse keys, simulating manual typing on the keyboard, and a single key can output 1~252 characters

[Built-in MCU] After keyboard keys be set up, it will be automatically stored in keyboard's MCU, and no need reset the keyboard even replace the computer

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Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers

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[Unique knob] Knob (turn left and right, press down) can be programmable. Rotate left and right can be infinitely rotated.It can be set to ± the volume, switch the music previous/next song, reduce/increase the light brightness, switch the light mode, webpage forward/back, etc.

[All 45 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons. You can connect the keypad (plug and play) and a 127-key keyboard with the same computer at the same time, they will not interfere with each other.

[Macro Keys] There are 16 macro function buttons. Macro functions can be used in series and can support up to 349 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operations.

[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors.

[RGB Backlight Keyboard] RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB)

[Mouse function] Added mouse function, you can control the cursor movement, click, and slide functions through buttons

[Combination keys] You can set "shift+" "alt+" "ctl+" "win+" there are 36 key combinations for setting

Note: Please download the latest version of the keyboard configuration software according to the website: (If you have any problems, please tell us in time)Windows--https://product_manual.s3.us-east-1.amazonaws.com/MYKB.zip . Mac OS--https://product_manual.s3.us-east-1.amazonaws.com/MYKB_For_MacOS.zip .

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Koolertron 7" IPS Touch Screen 4K H.265 IP Camera Tester - IPC-9800 Plus,CCTV, CVBS, Analog Tester, Built-in WiFi, POE, HDMI, RJ45 TDR, Dual Window, 8GB TF Card, Firmware

Security Monitors

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Advanced Video Support & High-Resolution Display : Supports H.265/H.264 encoding and 4K video display via mainstream protocols. Features a 1280x800 resolution IPS touch screen for clear and detailed visuals. (Note: The product box and manual are generic and include all functions. Actual product functionality is as described)

Comprehensive Cable Testing & Reporting : Equipped with RJ45 cable TDR testing for accurate cable quality assessment. Automatically detects and displays video signals, and generates detailed testing reports for quick diagnostics

Dual Window Testing & Multi-Platform Display : Supports simultaneous testing of IP and analog cameras with dual-window functionality. Compatible with TesterPlay, Android devices, and PC displays for versatile monitoring and testing

HDMI Output & Office Tools : Features HDMI output with 1080p resolution for high-quality video display. Includes quick office tools for viewing Excel, Word, and PPT documents, along with UTP cable testing capabilities

Self-Updating Software & Connectivity Features : Allows customers to self-update software for the latest features. Built-in WiFi with hotspot functionality, IP discovery, shortcut buttons, and a user-friendly drop-down menu. Supports DC12V 2A and DC48V PoE power output for flexible power options

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Koolertron 7" 12MP Digital Microscope, 1200X Magnification, 1080P USB Camera, 32GB TF Card, PC View, Rechargeable, LED Lights for Coin/PCB/Jewelry/Plant/Rock Inspection

Digital Microscopes

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7-inch Large LCD Screen : Koolertron's digital microscope features a 7-inch HD display for clear, real-time viewing, reducing eye strain. With 12MP resolution and 1-1200X continuous zoom, it delivers sharp details for precise inspection

Dual Lighting System : Equipped with 8 built-in LED lights + 2 adjustable auxiliary lights, this microscope ensures optimal brightness and clarity, even in low-light environments—perfect for capturing high-quality photos and videos

Image and video saving and output : The Coin Microscope is equipped with a Micro SD card slot. You can save the images and videos obtained during observation to the card and output them. This microscope is equipped with a 32G Micro-SD card (supports up to 64G Micro SD card)

Support PC real-time view : This 7 inch Koolertron Microscope also supports the ability to connect to a computer to synchronize the lens screen and perform some necessary operations, making it easy to save files or multiple people to observe at the same time. If you have any questions about installing the software, the steps to connect to the computer, please feel free to contact our team.

3000 mAh rechargeable lithium battery : This 7 inch Handheld Digital Microscope is powered by rechargeable lithium-ion battery or directly via USB to better support your work outdoors.

Height and angle adjustable stand LCD Microscope : The stand can adjust the distance between the camera and the object to get different magnification and some space for operation. The angle of the stand can also be adjusted so that the user can choose the most comfortable and appropriate angle from the display.

Widely used and *Great Gift : This Koolertron microscope is perfect for circuit board inspection, QC inspection, watch repair, textile industry, educational inspection, biological observation (not suitable for cells), medical professionals, scientific researchers, insects, coins, jewelry and stamps. It is a perfect gift for students, hobbyists and other users.

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Koolertron 24 Keys Programmable Keyboard，One Handed Macro Mechanical Keyboard, RGB LED Backlight Red Switch USB Portable Keyboard with Fully Knobs, 24 Keys Macro Pad for Gaming

Keyboards Wireless Keyboards

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[24 Key Programmable Keypad] All keys are programmable. Custom programmable key functions include regular 104 buttons, Web navigation buttons, multimedia shortcuts, keyboard lock, Windows lock, etc. Each button can be set to any one of these buttons. You can connect the keyboard (plug and play) and multiple keyboards to the same computer at the same time and they will not interfere with each other.

[Wide Applications] This one handed keyboard is a huge time saver, you can do programming for a living, for office works, for play gaming, for music, media, industrial control, laboratory, production line testing and other fields. It is easy and quick way to control scenes without needing to move a mouse around. You can use a lot of keyboard shortcuts all day, and you can program each key to be 1 key or a macro of key combinations.

[One Handed Mini Keypad with Unique Knob] Nice quality. Small and portable mini keyboard with unique knob is perfect for making work faster, plays games smoothly etc. The knob (rotate left and right, press down) also can be programmed. Rotate left and right can be infinitely rotated, can be set to ± volume, switch music previous/next, decrease/increase light brightness, switch light mode, turn pages forward/backward etc. you can carry it with you, effectively saving desktop space.

[Keyboard with Macro Keys] There are 16 buttons for advanced macro functions. Macro functions can be used in tandem and can support up to 349 key commands. Delayed commands can be added to meet various complex use cases such as: Office, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game tricks, basic codes for programmers. For example, the Set button will trigger a series of actions such as "Ctrl + A 0.5s Ctrl + C 0.5s Ctrl + V", etc.

[RGB Backlight Keyboard] RGB backlight with multiple effects can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect. or you can turn it off yourself.

[4-layer Custom Configuration] Built-in MCU, after setting the keyboard keys, they can be stored in the keyboard's MCU without resetting the keyboard. 4 levels of configuration can be saved to handle multiple use cases. Not only for gamers, but also for many other types of users, including designers and video editors. Not only for gamers, but also for many other types of users, including designers and video editors.

[Mouse Function] New mouse function, you can control the cursor movement, click, slide function by button.

[Key Combinations] You can set "shift+" "alt+" "ctl+" "win+ " There are 36 key combinations for setting.

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Koolertron 7 inch LCD Digital Microscope with 32G TF Card, 12MP 1080P USB Microscope Camera with Remote Control, PC View, Fill Lights for Coin, Plant, Rock, Circuit Board

Digital Microscopes

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7 inch Screen & Connect PC: Equipped with 7 inch HD IPS screen provides a good field of view for easy viewing. 1-1200x continuous amplification. Powered by rechargeable Li-ion battery. Truly portable and independent

Save and output images and videos: Equipped with 32G large-capacity memory card and remote control, you can shoot through the remote control, and save the images and videos obtained during the observation process to the card and output

Excellent Lighting Effect: Eight basic LED lights for the microscope lens, with a continuous service life of 100,000 hours. Provides excellent detail and the best clarity, and can capture pictures or videos in woods and some dark places

Connect to Computer: It can be connected to the computer through the USB cable to view, so as to achieve a wider field of view

Wide Support: ideal for circuit board inspection, quality control inspection, clock repair, textile industry, educational inspection, biological observation (not applicable to cells), medical professionals, scientific researchers, insects, coins, etc.Jewelry and stamps. This is the perfect gift for students, hobbyists and other users

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Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Red Switches (RGB Backlit/Red switches)

Keyboards Wireless Keyboards

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[All 23 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons.

[All Macro Keys] There are 16 macro function buttons, Macro functions can be used in series and can support up to 349 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operations

[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors

[Portable Mini Keypad] Portable Mini keypad，5"x 3.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other.

[RGB Backlight Keyboard] RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB)

Note: Please download the latest version of the keyboard configuration software according to the website: (If you have any problems, please tell us in time)Windows--https://product_manual.s3.us-east-1.amazonaws.com/MYKB.zip . Mac OS--https://product_manual.s3.us-east-1.amazonaws.com/MYKB_For_MacOS.zip .

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Koolertron Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Can be Put Directly Into the SLR Camera Bag With Freely Adjustable Compartment

Camera Cases

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Excellent Shock Resistance: A Camera Bag Made of Velvet With Excellent Shock Resistance. Just Put It in Your Daily Bag and You can USE it AS A Camera bag. Put the Camera in A Normal Bag, and Sometimes it Will Collide (Different From a Human or Accidentally Fall), and the Camera May be Damaged. If You put this Camera in AN Internal Box, You can Protect it Firmly

Ideal Size : Measures 10.2 x 5.1 x 6.1 inches (approx. 26 x 13 x 15.5 cm) – designed to fit neatly into most backpacks while optimally storing 1 DSLR body and 2 lenses in one organized space

Freely Set Partition:The Partition in the Middle can Be Set Freely By Velcro, Even if the Lens is Installed, it Can Be Removed and Stored, Which is Very Convenient. The Cushion is Moderately Thick and Easy to Carry

Leak-Proof Design: Ordinary Inner Box is Closed on the Ceiling With Velcro, But Long-Term USE Will Age With Velcro, and the Strong Viscosity May Leak Out. This Style is Designed to Be Twisted to Avoid the Aging Problem of Velcro

Complimentary Partition:Comes With 2 can be Installed Where You Like, It Can Be Freely Arranged According to the Contents of the Drawer

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Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad OSU! Keyboard 9 Fully Programmable Keys Blue Switches

PC Gaming Keyboards Razer Keyboards

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[All 9 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons.

[All Macro Keys] There are 16 macro function buttons. Macro functions can be used in series and can support up to 349 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, OSU!, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operatio

[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors

[Portable Mini Keypad] Portable Mini keypad，2.7" x 2.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other.

[RGB Backlight Keyboard] RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB)

Note: Please download the latest version of the keyboard configuration software according to the website: (If you have any problems, please tell us in time)Windows--https://product_manual.s3.us-east-1.amazonaws.com/MYKB.zip . Mac OS--https://product_manual.s3.us-east-1.amazonaws.com/MYKB_For_MacOS.zip .

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Koolertron Microphone Shock Mount,Mic Clip Holder,Universal 50MM Anti-Vibration Mic Holder for 48MM-54mm Diameter Studio Condenser Mic (Black)

Microphone Mounts

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High Quality Metal:Made of high quality metal and high elasticity rope. high elasticity rope can extend the life of the shock mount. It can protect the microphone all-around with high elasticity wrap roping design, which makes the microphone more convenient to install and prevents the microphone from falling.

Rubber Pad : The shock mount 50mm comes with a rubber pad insert, which protects your microphone from damage, fits well and holds the microphone securely in place without falling.

This professional suspension shock mount isolates most studio condenser mics from physical vibration, floor, and stand noise.It is a very nice shock mount for most large diaphragm condenser microphones.

180°Adjustment Knob:This shock mount features an 180 degree angle adjustment locking knob,Standard 5/8"-27 thread with a 3/8"-5/8"screw adapter,features an angle adjustment with locking knob,so you can mount it on all the standard microphone stands. Weight Capacity: 1.32 - 2.2 pounds (Not For Blue Yeti)

Best service guarantee: If you have any questions after receiving the goods, please feel free to contact our customer service. xunlefei's customer service will do its best to help you.

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Kolertron Mobile Phone Microscope Lens, Universal with LED Ultraviolet lamp and CPL, Portable Digital Microscope Camera Accessory, Suitable for 90% iPhone/Android Phones (Note: Compatible)

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[150X Ultra-HD Magnification] Easily turn the mobile phone into a high-definition microscope, the microscope itself can magnify the object 15 times, with the mobile phone 10 times magnification function, the magnification can reach 150 times, close to the microscope panel shooting instant optimal focal length, The innovative slide rail and modular design ensure quick and seamless lens switching (The optimal working distance between the lens and the subject is 3-8mm.)

[Integrated LED Lighting & CPL Filter] Equipped with 12 high-intensity LED lights and 12 customizable lighting modes, including a 395nm UV light feature. The included CPL filter minimizes glare and reflections, ensuring crystal-clear and vibrant images when observing nature, insects, minerals, jewelry, currency, or any object of interest

[Quick & Easy Setup] Installation is our user-friendly design. Simply clip it to your smartphone and start your micro-adventure without any additional apps. Ideal for photographers, enthusiasts, collectors, engineers, and anyone eager to discover the hidden wonders of the microscopic world

[Portable & Long-lasting] Built-in USB-Type-C rechargeable battery design, fully charged effective use time can reach 5.5 hours. Dive into the world of macro photography with ease. Our lens is optimized for close-range shooting, enabling you to capture intricate details

[Widely Compatible] This mini smartphone microscope features a lightweight hollow phone clip design, with a range of 71-105 mm (2.8-4.1"), making it compatible with almost all smartphones, as iPhone, Samsung, Google, Xiaomi, OnePlus and more (not fit for iPhone mini). If you have an iPhone 13 and newer and Samsung Galaxy S22 S23 Ultra, disable the camera's macro feature before use. (This lens is not intended to magnify distant objects. Note: Suitable for mobile phones with a distance from the lens to the phone frame greater than 1.3cm/0.51inch)

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Koolertron Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Can be Put Directly Into the SLR Camera Bag With Freely Adjustable Compartment

Camera Cases

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Excellent Shock Resistance: A Camera Bag Made of Velvet With Excellent Shock Resistance. Just Put It in Your Daily Bag and You can USE it AS A Camera bag. Put the Camera in A Normal Bag, and Sometimes it Will Collide (Different From a Human or Accidentally Fall), and the Camera May be Damaged. If You put this Camera in AN Internal Box, You can Protect it Firmly

Perfect Size: Anti-Static Composite Material Liner, Soft and Elastic. The Size is Very Important Because it is a Camera Liner Box that is Put in the Bag. External Dimensions: 10.2*5.1*6.1inch, can Accommodate 1DSLR and 2 Lenses. Put in the Bag, the Camera can Also be Put in the Size of the Inner Box. Yes

Freely Set Partition:The Partition in the Middle can Be Set Freely By Velcro, Even if the Lens is Installed, it Can Be Removed and Stored, Which is Very Convenient. The Cushion is Moderately Thick and Easy to Carry

Leak-Proof Design: Ordinary Inner Box is Closed on the Ceiling With Velcro, But Long-Term USE Will Age With Velcro, and the Strong Viscosity May Leak Out. This Style is Designed to Be Twisted to Avoid the Aging Problem of Velcro

Complimentary Partition:Comes With 2 can be Installed Where You Like, It Can Be Freely Arranged According to the Contents of the Drawer

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Koolertron DDS Signal Generator Counter, 2" Screen Display 25MHz High Precision Dual-Channel Arbitray Waveform Generator Frequency Meter 200MSa/s

Function Generators

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Arbitray Waveform Generator adopts large scale FPGA integrated circuit and high speed MCU microprocessor. The internal circuit adopts active crystal oscillator as benchmark. So the signal stability is greatly strengthened.

Using Dual-channel DDS signal and TTL electric level output to generate precise, stable, low distortion output signal. includes Sine wave, Square wave, Triangle wave, Saw tooth wave, TTL, user-defined waveform etc. each channel can be independently set the parameters.

With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function.

Storage feature: You can store 10 groups instrument state parameters set by the user, can be called up to Reproduce. Frequency output of Sine wave can be up to 25MHz. 200MSa/s sampling rate. It has 16 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 12 bits

This instrument signal generation, waveform scanning, as well as the use of parameter measurement has great advantages, is an electronic engineer, electronic laboratories, production lines and teaching, research and the ideal test, measurement equipment.

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Koolertron Dslr Camera Insert Bag Purse Universal Liner Lens Pouch Partition Protective Cover Waterproof Sleeve for Cannon/Nikon/Sony (Black)

Camera Cases

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Enough for storing a DSLR/SLR camera and a camera lens, well matches your backpack or shoulder bag

Can be used as a single shoulder camera bag

Padded liner keeps the camera from shock and scratch

Material: Nylon Oxford EPE

Size:33cmx23cmX16cm（12.99in x9.06inx6.30in)

Koolertron Dual-Channel PWM Signal Generator, high-Precision servo Motor Driver, Square Wave Pulse Wave, Adjustable Frequency, Duty Cycle, Phase, etc., with Storage Function

Function Generators

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Upgrade to independent dual-channel same-screen display: Frequency uses 4-digit green digital tubes, duty cycle and phase use 3-digit white digital tubes, which can display parameters in real time synchronously, be independently controlled, and support phase linkage

Can store preset parameters: The system supports storing 10 sets of preset data, which can adapt to various motor models more quickly and efficiently, making it convenient for the next use

Convenient phase adjustment: 0-360° phase adjustment to meet complex timing requirements

Precise control: High-precision output, frequency 1HZ-150KHZ, duty cycle 0%-100%, ultra-high precision 0.1%, phase 0-360°, voltage 5-24VDC

Short-circuit protection at output terminal: Under the condition that the voltage does not exceed 20V, the short-circuit protection function at the output terminal can be achieved within 60 seconds

Wide application: It can be used as a square wave signal generator for motor drivers, a square wave signal generator developed experimentally, and an adjustable pulse generator for single-chip microcomputers, to control related circuits (PWM dimming, speed regulation)

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Koolertron LCD Digital Microscope Stand, 12inch Aluminum Extension Arm with 2 Fill Lights, Adjustable Manual Focus Holder for Soldering, PCB Inspection, Coin & Jewelry Observation

Lab Microscope Slide Holders

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Higher Holder: This microscope stand is 12inch in height (including base plate and anti-slip pad), you can easily get a larger field of view and more space for operation after the microscope is installed.

Comfortable adjustment knob: Aluminum Microscope Stand The new upgraded adjustment knob has a wider contact area with your fingers, and the height adjustment is smoother and more comfortable

Free adjustment: This Metal Stand can adjust the microscope lens height up and down, and also can rotate back and forth to adjust the lens angle,You can choose the most suitable location for you to watch the sample more clearly

Compatibility and Portable : The caliber of our Microscope stand is compatible with most of the microscopes sold in the market, but please confirm the right size before you buy;This Microscope Holder is light weight, convenient to carry

Easy to install and Remove:Microscope Stand is made of high quality metal, with four non-slip pads, strong and stable, a good helper for using microscope, helps to get a stable picture

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Koolertron

Koolertron Best Sellers

Koolertron 5 inch Digital Video Magnifier, Handheld Portable Electronic Reading Aid Support AV Output to TV with 4X/8X/16X/24X/32X Zoom Multiple 17 Kinds Color Mode, Rechargeable Battery Powered,etc

Koolertron 9-inch LCD Digital Microscope - 12MP 1600x 1080P HD, 32G TF Card & 5000mAh Battery, 10-inch Stand & Side Light for Plant/Rock/Circuit Board/Coin Detection and Analysis

Koolertron Macro Programmable Keypad, One Handed Programmable Mechanical Keyboard, RGB Blue Switch Hot Swappable, 6 Keys 1 Knob Backlit Keypad for Working and Gaming, Black

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Blue Switches

Koolertron One Handed Mechanical Gaming Keyboard, 48 Keys Fully Programmable Mini USB Macro Keyboard with Red Switch, for Gamers/Designers/Video Editor

Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers

Koolertron 7" IPS Touch Screen 4K H.265 IP Camera Tester - IPC-9800 Plus,CCTV, CVBS, Analog Tester, Built-in WiFi, POE, HDMI, RJ45 TDR, Dual Window, 8GB TF Card, Firmware

Koolertron 7" 12MP Digital Microscope, 1200X Magnification, 1080P USB Camera, 32GB TF Card, PC View, Rechargeable, LED Lights for Coin/PCB/Jewelry/Plant/Rock Inspection

Koolertron 24 Keys Programmable Keyboard，One Handed Macro Mechanical Keyboard, RGB LED Backlight Red Switch USB Portable Keyboard with Fully Knobs, 24 Keys Macro Pad for Gaming

Koolertron 7 inch LCD Digital Microscope with 32G TF Card, 12MP 1080P USB Microscope Camera with Remote Control, PC View, Fill Lights for Coin, Plant, Rock, Circuit Board

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Red Switches (RGB Backlit/Red switches)

Koolertron Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Can be Put Directly Into the SLR Camera Bag With Freely Adjustable Compartment

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad OSU! Keyboard 9 Fully Programmable Keys Blue Switches

Koolertron Microphone Shock Mount,Mic Clip Holder,Universal 50MM Anti-Vibration Mic Holder for 48MM-54mm Diameter Studio Condenser Mic (Black)

Kolertron Mobile Phone Microscope Lens, Universal with LED Ultraviolet lamp and CPL, Portable Digital Microscope Camera Accessory, Suitable for 90% iPhone/Android Phones (Note: Compatible)

Koolertron Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Can be Put Directly Into the SLR Camera Bag With Freely Adjustable Compartment

Koolertron DDS Signal Generator Counter, 2" Screen Display 25MHz High Precision Dual-Channel Arbitray Waveform Generator Frequency Meter 200MSa/s

Koolertron Dslr Camera Insert Bag Purse Universal Liner Lens Pouch Partition Protective Cover Waterproof Sleeve for Cannon/Nikon/Sony (Black)

Koolertron Dual-Channel PWM Signal Generator, high-Precision servo Motor Driver, Square Wave Pulse Wave, Adjustable Frequency, Duty Cycle, Phase, etc., with Storage Function

Koolertron LCD Digital Microscope Stand, 12inch Aluminum Extension Arm with 2 Fill Lights, Adjustable Manual Focus Holder for Soldering, PCB Inspection, Coin & Jewelry Observation

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Koolertron 5 inch Digital Video Magnifier, Handheld Portable Electronic Reading Aid Support AV Output to TV with 4X/8X/16X/24X/32X Zoom Multiple 17 Kinds Color Mode, Rechargeable Battery Powered,etc

Koolertron 9-inch LCD Digital Microscope - 12MP 1600x 1080P HD, 32G TF Card & 5000mAh Battery, 10-inch Stand & Side Light for Plant/Rock/Circuit Board/Coin Detection and Analysis

Koolertron Macro Programmable Keypad, One Handed Programmable Mechanical Keyboard, RGB Blue Switch Hot Swappable, 6 Keys 1 Knob Backlit Keypad for Working and Gaming, Black

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Blue Switches

Koolertron One Handed Mechanical Gaming Keyboard, 48 Keys Fully Programmable Mini USB Macro Keyboard with Red Switch, for Gamers/Designers/Video Editor

Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers

Koolertron 7" IPS Touch Screen 4K H.265 IP Camera Tester - IPC-9800 Plus,CCTV, CVBS, Analog Tester, Built-in WiFi, POE, HDMI, RJ45 TDR, Dual Window, 8GB TF Card, Firmware

Koolertron 7" 12MP Digital Microscope, 1200X Magnification, 1080P USB Camera, 32GB TF Card, PC View, Rechargeable, LED Lights for Coin/PCB/Jewelry/Plant/Rock Inspection

Koolertron 24 Keys Programmable Keyboard，One Handed Macro Mechanical Keyboard, RGB LED Backlight Red Switch USB Portable Keyboard with Fully Knobs, 24 Keys Macro Pad for Gaming

Koolertron 7 inch LCD Digital Microscope with 32G TF Card, 12MP 1080P USB Microscope Camera with Remote Control, PC View, Fill Lights for Coin, Plant, Rock, Circuit Board

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Red Switches (RGB Backlit/Red switches)

Koolertron Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Can be Put Directly Into the SLR Camera Bag With Freely Adjustable Compartment

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad OSU! Keyboard 9 Fully Programmable Keys Blue Switches

Koolertron Microphone Shock Mount,Mic Clip Holder,Universal 50MM Anti-Vibration Mic Holder for 48MM-54mm Diameter Studio Condenser Mic (Black)

Kolertron Mobile Phone Microscope Lens, Universal with LED Ultraviolet lamp and CPL, Portable Digital Microscope Camera Accessory, Suitable for 90% iPhone/Android Phones (Note: Compatible)

Koolertron Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Can be Put Directly Into the SLR Camera Bag With Freely Adjustable Compartment

Koolertron DDS Signal Generator Counter, 2" Screen Display 25MHz High Precision Dual-Channel Arbitray Waveform Generator Frequency Meter 200MSa/s

Koolertron Dslr Camera Insert Bag Purse Universal Liner Lens Pouch Partition Protective Cover Waterproof Sleeve for Cannon/Nikon/Sony (Black)

Koolertron Dual-Channel PWM Signal Generator, high-Precision servo Motor Driver, Square Wave Pulse Wave, Adjustable Frequency, Duty Cycle, Phase, etc., with Storage Function

Koolertron LCD Digital Microscope Stand, 12inch Aluminum Extension Arm with 2 Fill Lights, Adjustable Manual Focus Holder for Soldering, PCB Inspection, Coin & Jewelry Observation

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