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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

Multimeters

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

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 Cover
  • [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.
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AV Receivers

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

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 Cover
  • 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.
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Temperature Probes & Sensors

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)

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) Cover
  • 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.
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Power Converters

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

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 Cover
  • 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.
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Function Generators

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

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

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 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 Cover
  • 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.
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Power Converters

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

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 Cover
  • 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.
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Multimeters & Analyzers

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

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 Cover
  • 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).
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Multimeters & Analyzers

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

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 Cover
  • 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.
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Relay Control Module Relays

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

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 Cover
  • 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.
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Power Converters

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

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 Cover
  • [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.
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Power Converters

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

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 Cover
  • 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.
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Power Converters

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

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 Cover
  • 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.
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Multimeters

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

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 Cover
  • 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).
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Power Converters

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

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 Cover
  • [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.
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Power Converters

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

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 Cover
  • 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.
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Temperature Probes & Sensors

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

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

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

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

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

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 Cover
  • 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.
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Power Converters

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

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 Cover
  • 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).
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