Detect Your Phone Charger & Power Bank & PC Voltage and Current by using this USB Voltmeter and USB Ammeter; Support Voltage 3~7.5V (1mV), Current 0~2.5A (1mA), Dispaly Voltage & Current at LCD Display While Charging Your Phone, Tablet, Power Bank. Dual output USB port, Low Cost Solution to Check USB Charging Current and Voltage in Instantly. A USB load tester attached, with 1A/2A Switch; This USB Voltage Meter Extremely Portable, Light Weight, Small Size and Durable, No Extra Cable or Power Supply Needed Specifications: ■ Size: 59.00x23.00x13.50mm (2.3*0.9*0.5 inch) ■ Weight: about 25 g ■ Measurement Range: Voltage 3-7.5V Current 0-2.5 A ■ Measurement Accuracy: 1mV,1mA Package Included 1* USB Voltmeter 1* USB Load Tester NOTE: For important device, please backup the data before you test it
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