Usb Current And Voltage Charger Capacity Tester Usb 3-20V Charger Power Meter

features:

Measure the current and voltage of the power supply unit through the USB port.

Plug and play without additional power.

The voltage and current will display a circle.

Small size, easy to carry.

Specifications:

Possible range: 4-20V, 0-3A.

Resolution: voltage is 10mV, current is 10mA.

Error range: voltage<± 1%, current<± 2%.

Full scale voltage drop: 200mV.

Operating temperature: 0-60 ° C.

Color: transparent, blue

Package includes:

1 x USB current voltage capacity tester