Digital USB Mobile Power charging current voltage Tester Meter Mini USB charger doctor voltmeter ammeter
Features:
- Easy to measure the USB output voltage and the device input current or loader voltage.
- Available for every USB electronic product,such as PC USB,home charger,car charger and so on.
- Plug and ,light and handy,easy to carry and no need external power.
- Through “DR CHARGER”,you could clearly know the condition of the charger, phone, usb cable and every USB device.
Detection range:
- Voltage:DC 3.5V-7V,error 0.1V
- Current:0-3.0A,error 2%
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