This is a portable mini voltage current detector. It can measure the voltage and current of the power supply equipment with USB port conveniently.

• Easy testing mobile charger voltage reach standard or not
  

• Display voltage and current circularly

• Plug and play, no extra power supply needed

• Compact and portable design

• With retail packaging

Specification:

• Workable range: U=3~7.5V, I=0~2.5A

• Resolution: Voltage 10mV; Current 1mA

• Error range: Voltage <±1%; Current <±2%

• Full-scale voltage drop: 200mV

• Workable temperature: 0°C - 60°C