Digital USB Mobile Power charging current voltage Tester Meter Mini USB charger doctor voltmeter ammeter

The electric energy meter adopts a new generation of four and a half double integral type conversion IC, equipped with precision band gap reference source, accurate range and high precision, stable work, reliable performance, strong anti-interference ability, high temperature resistant. Can be used to measure the USB interface, mobile phone charger, USB products such as power supply or power consumption situation.

1, this product can measure the USB power supply equipment when empty, the load voltage, the USB terminal voltage and current at work.
2, current voltage loop display, use simple convenient and practical.
3, small easy to carry, no other power supply.

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