Dual Color LED Display USB Charger Cable Doctor Cellphone Voltage Current Detector Tester Meter

• Plug and play 

• With LED digital screen, can display the voltage of power supply equipment 

• Use this test you cellphone charger and power bank 

• Two output ports: output I--data transmission and charging; output II --only charge your device

Specification:

• Test voltage: 3.2 ~ 10V 

• Test Current: 0 ~ 3A

Compatible with:

• iPhone Samsung Huawei Sony etc. smartphones and tablets