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DROK

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When purchasing a product, price is the consumer's primary concern. At present, DROK has 114 products for sale. DROK products range in price from $6.99 to $50.99, and the average price of all the products is about $20.32.

You can confidently purchase DROK products from the seller DROK. The brand holds an average rating of 4.5, testifying to its excellent reputation.

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Last Updated: Jan 9, 2026

DROK USB Tester, USB-A USB-C 2.0 Multimeter Dual USB Ports PD QC 3.0 with Color LED Display Battery Charger Monitor, 7 Modes Capacity Voltage Current Power for Laptop Power Bank Solar Panel

[7 Modes Display Monitor] DROK USB Tester is equipped with digital color LED display screen, which can be switched between 7 display modes. This multimeter can be used to measure voltage, current, power, capacity. Through the 7 modes, you can clearly see the voltage, current, capacity and power during charging. Only 1 button to switch the display mode, simple and handy.
[Dual USB Output] This item is equipped with USB-A USB-C input and dual USB 2.0 output. The output ports support PD QC 3.0 fast charge protocol. This meter can auto identify the fast charge protocol, which can charge your device among 3.6V to 12V 3A. Output Ⅰ can be used for device charging and data transfer, and output Ⅱ can only be used for charging.
[Multifunction] DROK USB detector can be used for capacity checking, capacity clear, over voltage, under voltage, over current and short circuit alarm, which is easy to test the power, quality and know the health condition of your device chargers or USB cables.
[Easy to Use] The multimeter only has Two button. Once you plug in the meter, you can test the parameter you want. The button Ⅱ can switch 7 modes display——VA(Voltage & Current), C(Capacity), P(Power), VA+C, VA+P, C+P, VA+C+P. 1. Please note that The latter 4 models is cyclic display. If you dislike the cyclic display modes, Just press the button Ⅱ to former 3 modes which are all fixed display. When voltage ≥ 5V, power on and long press button Ⅰ for 5 seconds to activate output.
[Application] DROK USB Meter can be used for the devices between 3.2-30V and 0-5A. You can use this for 5V 9V 12V 24V 30V solar panel, power bank, battery charger, USB able.[Note] If you use USB-C IN and USB-A OUT, long press button I to Start Output.

DROK Blue~Tooth Board, 12V Audio Receiver Blue~Tooth Module DC 5V-12V Portable Wire~Less Electronics Stereo Music Receive Circuit Chip with Micro USB Port for Headphone Speaker Home Sound System DIY

PARAMETER --- input voltage range DC 5V-12V, support micro USB 5V power supply; blue~tooth version 4.2.
APPLICATION --- headphone, speaker, home stereo system DIY.
INPUT METHOD --- 3.5mm AUX input & 2.54mm 3P AUX input.
OUTPUT METHOD --- 3.5mm audio output & 2.54mm 3P audio output.
LED INDICATOR --- indicates status of waiting for a connection/connected/audio playing.

DROK High Accuracy K Type Thermocouple Probe - 5 Pack Type K Temperature Probes & Sensors for Thermocouple Thermometer, 1 Meter Long Measure Range -40°C~480°C (-40°F~896°F)

Fast Response: With a rapid response time of just 0.5 second, the temp probe delivers instant readings. DROK type K thermocouple wire accurately measures temperatures from -40℉ to 896℉(-40℃ to 480℃).
Built to Last: Crafted with fiberglass, DROK thermocouple k type offers excellent insulation, superior heat resistance, and high tensile strength for reliable performance in tough environments.
Tangle-Free Package: Your set includes 5 versatile K type thermocouples, each 1 meter long. The tangle-resistant coiled packaging prevents knots and kinks, ensuring a longer lifespan and reliable performance whenever you need them.
Versatile Performance: Ideal for general temperature applications, the k type thermocouple probe delivers fast response and is suitable for quick measurements of solids, gases, and non-corrosive liquids. Its flexible design allows shaping and bending without risk of cracking.
Wide Compatibility: The thermocouple wire works with most type K temperature instruments, including TM902C, TC0309, and TC41.

DROK Boost Buck Converter, DC 5.5-30V to 0.5-30V 5V 12V 24V Output Adjustable Power Supply Regulator Module, 4A 35W High Power Voltage Step Up Down Converter Board with Case LCD Display

PARAMETER --- Buck boost converter. input voltage range 5.5-30V; output voltage range 0.5-30V; working current 4A; power 35W. CV potentiometer: voltage setting potentiometer. The CC potentiometer sets only the current limit (max output current) not actual current. Actual current depends on the load.
APPLICATION --- as a normal boost buck converter module with over-current protection; as a high-power LED constant current driver module, etc.
PROTECTION --- soft start; input reverse connection protection; output anti-backflow protection; short-circuit protection; over-current protection(6A); over-power protection; over-temperature protection.
DISPLAY --- clear LCD screen displays input voltage, output voltage, temperature, output current & output power (switched by button).
OTHER FEATURES --- with protective case (needs to be manually assembled); with LC filter; with buttons to switch displayed parameter & set output ON/OFF; with CC(constant current) & CV(voltage setting) potentiometer; Rotate clockwise to increase set current value and counterclockwise to decrease. When the load current reaches the set current value, it will enter constant current status, and the red CC indicator light will be on.When there is voltage outputs, the green ON indicator will be on.

DROK 4-20mA Generator, Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

AMP & VOLT DUAL SIGNAL GENERATOR: Multifunctional DROK signal generator kit is able to generate ampere & voltage by 1 module, which generate 0/4 - 20mA current signal and 0-10V voltage signal just by rotating a multi-cycle precise potentiometer, simple and handy.

DROK Electronic Thermostat Controller 2pcs, DC 6-30V 24V Digital Temperature Control Board -50 to +110℃ High Accuracy LCD Digital Micro Temp Control Switch Module with Waterproof Sensor Probe

DROK electronic thermostat controller power supply is DC 6-30V or 5V micro USB; control load current is 10A (Max); test temperature is -50~110℃; sensor length is 0.5 meter.
High current: Our digital temperature control board adopts high density PC board installation technology, the switch capacity can be up to 10A in spite of the small size.
LCD display: Designed with bright LCD display, people can check the temperature clearly from any angle.
User-friendly functions: The thermostat module has the function of real-time temperature reporting, temperature correction function, high-temperature alarm, emergency stop function and support UART Set, which make the module reliable and easy to use.
Applications: With waterproof temperature sensor probe, it can be widely used for domestic appliance, office machine, audio, equipment, automobile, etc. (Remote control TV receiver, monitor display, Audio,Raspberry Pi equipment high rushing current use application)

DROK Waterproof DC Buck Converter Voltage Regulator 8-22V to 3-15V 5V 12V 3A Adjustable Output Power Supply Transformer Step-Down Volt Module Board for Car Auto Vehicle Motor Regulated SR

Uses synchronous rectification technology, has high conversion efficiency and stable performance; The input should be at least 3V higher than output.
With potentiometer on the bottom, which allows you adjust the accuracy with the mini screw, but ensures you won't easily change its setting when mounted.
Fully sealed, outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable.
With reversed-connection protection, over-current protection, over-heating protection and over-voltage protection, hence is safe to use.
Perfect for electronic hobby project, wide application, you can use it on radio, Car Audio, LED display, motor, cell phone, etc.

DROK Digital Multimeter, DC 8-100V 100A Battery Monitor 12V 24V 36V 48V 60V Volt Amp Watt Meter, Big Color Screen LCD Display Capacity Time Power Voltmeter Ampmeter for RV Solar Panel Battery Charge

Parameter --- Voltage Range: 8-100V; Current Range: 0.05-100A; Power: 0-50KW; Capacity: 0.1-99999AH; Voltage Accuracy: ±1%+2digits; Current Precision: ±0.5%+2digits; Measure Speed: 20 Time/s.
LCD Display --- This coulometer is equipped with 2.4 inches LCD high precision color screen. Bigger size and higher contrast, easily and clearly to read the parameters whenever at night and day, indoor or outside, even under the sunshine.
Backlight Alarm --- After turning on LBR function, when the remain capacity is lower than 20% or voltage is lower than LVP; the backlight will flash to alarm. The backlight will also flash when charging current is higher than STI(the current value for turning off screen).
APPLICATION --- can be used as battery charge discharge tester meter coulometer for automotive and car battery; as battery capacity monitor for solar panel; as voltage meter, ampere meter, power meter for RV Boat, etc. Mounting with base for more stability.
Warranty --- This coulometer has totally one-year long period warranty guarantee since you get the item.

DROK Battery Monitor, Amp Volt Power Watt Meter DC 0-300V 200A STN LCD Display Panel Meter, Current Voltage Energy Capacity Ammeter Voltmeter Multimeter Gauge with Hall Sensor, 2.5m Shielde

Multifunctional Meter ---- DROK multimeter panel measures percentage and AH of remaining battery capacity, DC positive and negative bidirectional current, DC voltage, DC power and DC accumulated electric energy. Voltage measurement range is DC 0-300V, current measurement range is 0-200A.
Hall Sensor & Easy Mount ---- The voltage amperage meter is equipped with a Hall transformer for isolated measurement, which is more reliable and safer. Both two-wire and three-wire connection are available, two wires for testing 5-90V, three wires for monitoring 0-300V. Much more convenient with the long 2.5m shielded wire.
STN LCD Screen ---- The backlight of this battery capacity monitor can be controlled to be ON or OFF at user's need; Equipped with full view STN LCD screen, users could see the display clearly whenever at night and day, indoor or outside, even under the sunshine.
Alarming Function ---- The tester will alarm and flash when the real voltage or current is higher or lower than preset alarming ones, or the remaining capacity of battery is low.
Wide Applications ---- Can be used as dc amp meter, digital volt meter, power meter, battery capacity monitor. Suitable for all kinds of batteries, such as Lead-acid batteries, Lithium Polymer batteries, lithium iron phosphate batteries and etc. With function of storing data when power down, using this meter, no need to worry that your electric data will be lost.

DROK Time Delay Relay 2pcs, DC 6-30V Timer Relay 12V 24V 0.01s-9999min 50mA Digital Timer Cycle Delay Switch Module AC 220V Power On-Off Controller with LCD Display Switch Button Case

SPECIFICATION --- working voltage DC 6-30V; timing range 0.01s-9999mins continuously adjustable.
TRIGGER --- support high level support, low level trigger, button trigger control, switching value control, available for most applications.
INDEPENDENT PARAMETER --- able to set different OP, CL, LOP parameters which are independent and saved separately; support viewing currently set parameters without affecting system operation.
OTHER FEATURES --- clear LCD display; support UART data uploading and parameter setting; with pause button, support one-button pause; with automatically sleep mode; with input reverse connection protection; with power-off auto storage function.
NOTE --- no trigger cable or connector included, need to be purchased separately.

DROK 12V Power Supply, AC 110V 220V to DC 0-12V 40A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 6V 9V 12Volt Voltage Transformer 10A 20A 30A 40Amp Charger for Lab CCTV

[Volt Adjustment] Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-12V. This supply is suitable for 3V 5V 6V 9V 12Vdevices. The voltage precision is 0.1V. Note——The maximum current is 40A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 40A and can not be regulated. It can be used to device of 5A 10A 20A 40A. Make sure to use the devices which is below 40A.
[Hareware] This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
[Easy Operation] This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
[Protection] Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
[Wide Application] This power supply has variable application. It can be used as a 2V 3V 5V 6V 12V 40Apower supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee.

DROK DC-DC Stabilizer, 9V-36V to 12V Boost Buck Converter 5A 60W Waterproof Auto Step Up Down Voltage Regulator 12V Volt Transformer for Car Audio Solar Power System LCD Television LED Display Screen

PARAMETER --- DROK DC-DC converter input voltage range is DC 9~36V (12V); output voltage is DC 12V; output current is 5A; output power is 60W.
APPLICATION --- the 12v buck boost converter module can be used in integrated wiring for monitoring fire alarming system; car radio, audio; bus, minibus, truck display screen, taxi advertising screen; LCD television, LED; solar power generation system; interphone, etc.
PROTECTION --- this voltage stabilizer comes with over-current protection, over-temperature protection; adopts potting technology, characterized by waterproof, dust-proof, moisture-proof and shock-proof, can be used in various situations such as car, outdoor, underground, etc.
FEATURE --- the step down power module adopts high-integrated chip, stable and reliable; synchronous rectification technology, with conversion efficiency of over 90% and low heat generated.
NOTE --- Leave a margin for the power supply to ensure it can long-term stably working.

DROK DC Adjustable Buck Converter 2pcs, 24v to 12v Step Down Converter Voltage Regulator 6V-32V to 1.5-32V 5V 5A LCD Power Supply Volt Reducer Step Down Transformer with USB Port and Protective Case

Come with protective shell, Large LCD screen, blue background and white digit, can be clearly seen in any angle, displaying voltage and current simultaneously.
A constant voltage and current module, Input voltage could be 6-32V; Output voltage could be 1.25~32V; input side must be 1.5 higher than output side; max output Power is 75W.
Made of imported MP2304 chip, high conversion efficiency of 96%, when current is higher than 3A or 35W, please enhance heat dissipation.
With voltage-calibration and current-calibration, designed with USB interface, it brings you many conveniences in most occasions.
Wide applications:used as an ordinary step-down modules with over-current protection capabilities, as a battery charger, as a constant current LED driver module.

DROK Digital Multimeter DC 8-100V 20A Voltage Amperage Power Energy Meter, DC Volt Amp Tester Gauge Monitor LCD Digital Display with Built-in Shunt

The portable multi-meter has a Large-screen LCD, can display voltage, current, power, energy at the same time, bright and easy to read.
Voltage test range: DC 8~100V; Current test range: 0~20A; Power test range: 0~2KW; Energy test range: 0~9999kWh.
Multifunctional: the accumulated energy can be reset by button; Store data when power off; Voltage alarm function (over voltage alarm threshold, backlight and voltage will flash to alarm).
Easy to hook up: with built-in shunt, 2 wires in (DC + and -) and 2 wires out (The Load), all connections are via a 4 point terminal strip(has a wiring diagram on its back).
The blue backlight can be turned on/off by the front accessible recessed switch located on the right side bezel.

DROK LED Display USB to 12V Adapter - DC Voltage Regulator Adjustable 5V/9V/12V/15V/20V Boost Converter, 3.28FT/1m Step Up Converter with 8 DC Plug and USB Adapter

[PD ADAPTER] DROK USB C to DC power cable are compatible with PD protocols, delivering stable 60W max (20V/3A) output to devices with PD protocol and 5V output for those without PD protocol.
[VOLTAGE ADJUSTMENT] DROK USB C to USB adapter have 5 different output voltage that can be switched between 5V/9V/12V/15V/20V by simply pressing the button on the device.
[GREAT ADAPTABILITY] DROK USB to DC power cable 5.5x2.5mm DC plug male output port comes with an USB C to USB adapter and 8 DC Plug Adapter (2.5x0.7mm/3.0x1.1mm/3.5x1.35mm/4.0x1.7mm/5.5x2.5mm/4.8x1.7mm/Micro USB/LED Terminal Connector), that is compatible with Speaker Mini Fan Lights Notebook Router Game Console and Camera.
[COMPACT & PORTABLE] DROK USB C to DC adapter 3.28FT/1m cable can be folded palm-sized. Fits pockets/backpacks – perfect for travel, at home, office, or on-the-go.
[PACKAGE INCLUDED] 1x 5v/ 9v/12v/15v/20v USB C PD Cable; 1x USB C to USB adapter and 8 DC Plug Adapter.

DROK 12v to 5v Volt Converter, DC 8-35V to 5V 3A 15W Voltage Regulator Board Power Supply Module, 9V 12V 24V Waterproof Car Volt Step Down Buck Converter

PARAMETER --- input voltage DC 8V-35V (12V 9V); output voltage DC 5V; output current 3A; output power 15W.
APPLICATION --- 12v to 5v step down converter. Can be used for car audio, LED display; motor, speaker; auto map navigator; hard disk player; media; electric fan; toy cars; air conditioning; solar energy, etc.
PROTECTION --- over-current protection; over-temp protection; input reverse connection protection; short-circuit protection; waterproof; dust-proof; moisture-proof; shock-proof.
CONVERSION EFFICIENCY --- over 95% max.
FEATURE --- high conversion efficiency, low heat generation; aluminum case, good heat dissipation, high safety.

DROK 10K Temperature Sensor Probe 3pcs, 1 Meter Waterproof Temp Sensor Probe, Stainless Steel 3950 NTC Temp Sensor Probe, Digital Temperature Transmitter Extension Cable

Advanced Technology: DROK smart sensors cable adopts sensitive and reliable NTC thermistor and connected by PVC wire, 1 meter lead length (3.28ft), available for remote temperate measuring and controlling.
Wide Measuring Range: Our temperature probe is able to tolerate the widest measuring range (-25°c to 125°c (-13℉ to 257℉)).
Stainless Steel Probe: This temperature sensor for car has 5*25mm stainless steel housing, which is waterproof, moisture-proof and anti-rust.
Wide Application: This multifunctional test probes can be used in household air conditioner, refrigerator, water fountain, drying box, constant box, etc.
Applicable Voltage Range: 3-5V. Applicable Current Range: 0-10 mA.

DROK Electric Voltage Testers 2pcs, AC 80-300V LCD Display Flat Plug Voltmeter Electrical Outlet Tester Plug in Digital Voltage Meter

WIDE MEASURING RANGE - DROK plug in electric outlet tester measures AC voltage in the range of 80V-300V, with a low consumption of less than 1W (about every 1200 hours consume 1 kilowatt-hour).
ADJUSTABLE POTENTIOMETER - An internal potentiometer allows for accuracy adjustment. To access it, use a small screwdriver to open the outer casing and then make adjustments. Turn the potentiometer counterclockwise if the voltage reading is too high, or clockwise if it's too low.
FLAT PLUG - Designed as a flat plug, DROK volt tester can immediately detect and measure the current voltage by connecting to the switch plug or other kind of wall socket, simple and easy to use, it allows you to check on power health of devices for preventing the low voltage damage to your valuable household appliances.
LCD DISPLAY - Built in Premium LCD digital display with blue backlight, DROK digital volt meter is convenient for you to view the data on it even in dim night. Moreover, it can be used as a voltage meter as well as a night light.
WIDE APPLICATIONS - It is ideally applicable to measuring the AC voltage in family, office space, industrial and mining enterprises, etc. (Please keep the children away from the product & do not use the product in a damp environment.)

DROK Time Delay Relay 2pcs Controller DC 5V 12V 24V Module Adjustable Trigger Delay Switch Board with LCD Display Support Micro USB 5V Power Supply

PARAMETER --- operating voltage range DC 6-30V, support micro USB 5V power supply; timing range 0.01s~9999mins continuously adjustable.
TRIGGER --- support 3.0v-24v high level trigger, 0v-0.2v low level trigger, switching value control.
INDEPENDENT PARAMETERS --- able to set different OP, CL, LOP parameters which are independent and saved separately.
SLEEP MODE --- without any operation for 5 minutes, the backlight of the relay board will turn off automatically. Press any button can wake it up.
OTHER FEATURES --- LCD display; power-off auto storage data; support UART data uploading and parameter setting; with pause button, support one-button pause; with automatically sleep mode; with input reverse connection protection.

DROK DC 12V to 5V Buck Converter, 10pcs Mini Voltage Regulator Board DC 4.5-20V 12V 9V Step Down to 1-16V 5V Reducer 3A Fixed Adjustable Volt Output Transformer Power Supply Stabilizer Module

Parameter --- For DROK 5V volt step down regulator: Input voltage: DC 4.5-20V; Output voltage can be adjustable or fixed. Adjustable range: 1-16V; Fixed voltage: 1.8V, 2.5V, 3.3V, 5V, 9V, 12V; Output current: Max 3A (peak: 3A, long-term: within 2A); Power: 10W.
Output Voltage Adjustable or Fixable --- The tiny buck converter board can be changed to adjustable output voltage or a fixed one. The reducer is default to be used for adjustable voltage output. If you want to get fixed voltage output, you need to cut off the Pad A by using a sharp thing such as a knife, then weld together the port of the fixed voltage you want.
High Efficiency --- Big energy in small size. The conversion efficiency of this volt transformer can be up to 97% (typical value: >90% when step down 12V to 5V 2A).
Protection and Enable Control --- The 12V buck converter is designed with output short circuit protection, but please do not keep short circuit for a long time. Also, the reducer is equipped with an integrated enable port which defaults the working mode that it will be off when it is at low electric level off, which bring a great convenience for users.
NOTE --- This mini buck converter is really very tiny, much smaller than a 1-dollar coin, nearly a half of the coin.

DROK FAQs

Yes, DROK is a legitmate brand on Amazon. After conducting a comprehensive analysis of 13,566 customer reviews for DROK products on Amazon, we have determined its average rating. Offering great value and satisfying quality, DROK has achieved a respectable rating of 4.5 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from DROK on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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There are usually 5 to 10 products in a brand buying guide. We found 114 DROK products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the DROK page.
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