2Pcs USB Meter Tester LCD DC Digital Blue and Red Display Current Voltage Meter Multi-Function Tester Ammeter and Voltmeter Doctor Capacity Tester Power Indicator
USB voltage and current tester can display voltage and current data at the same time, can detect a variety of power supply output voltage and current.
The input and output voltage of the tester is 4V-30V, and the voltage resolution is 0.01V.
The input and output current of the USB meter is 0-3A, and the current resolution is 0.01A.
USB male plugged into a 5V charger, female socket plugged into a cell phone and other devices, you can directly read out the voltage and current parameters.
USB current detector can measure the power supply or power consumption of cell phone charger, U disk and other products.
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