Product description
The tester USB Charger doctor can easily measure the output voltage of the USB port and the device.
Capacity: 0-99999mAh;Electrical energy: 0-99999Wh
Dimensions: 60.5x28x15mm/2.38x1.10x0.59''(approx)
Packet data: 1-9 group;Temperature: -5~80℃
Package includes: 1 x USB Tester(other accessories demo in the picture is not included.)