USB Charger Mobile Power Battery Tester Detector Voltage Current Meter L4
It can measure current and voltage of the power supply equipment with USB port.
Plug and play, no extra power supply needed.
The voltage and current will be displayed circularly.
Small sized, easy and convenient to carry.
Workable range: 3.5 – 7.0V, 0 – 3A.
Resolution: voltage 10mV, current 10mA .
Error range: voltage <?1%, current <?2%.
Full-scale voltage drop:200mV.
Workable temperature: 0 – 60?.
Color: Transparent, Blue