USB meter is mainly used to detect USB current, voltage, discharge capacity, quantity of electric , , timing and so on. Meanwhile multi-meter USB can be applied to the capacity storage and over/low voltage-current conservation. It allows you to find the problem of the USB cables, wall chargers, and car charges more easily.

Features:
USB Meter Tester is mainly used to detect USB current, voltage, discharge capacity, quantity of electric , , timing and so on. 
Can also be applied to the capacity storage and over/low voltage-current conservation.
It allows you to find the problem of the USB cables, wall chargers, and car charges more easily.
The multi-meter tester also supports 2.0/3.0 high voltage test, with the function of cutting off automatically when it's fully charged, to your valuable devices effectively.
Crafted from high-grade LCD with low consumption feature, bright and clear enough to the parameters on the screen. 
Comes with three various display modes for your choosing. 
Ideally be broadly applicable to test capacity and electric energy of ; test the maximum output current of the ; and test and quality of data cable and cable.
Portable, easy to carry and enables you to put it in your bag or your pocket whenever you go, along with the symmetrical and reversible connector for your simply operation.

Specifications:
Color: black
Input/Output voltage: 3V- 30V
Voltage Resolution: 0.01V
Current test : 0- 5.1A(  0.01A)
Cumulative capacity : 0-99999 mAh( 0.001Ah)
Cumulative : 0-999999mWh( 0.001Wh)
calculation : 0-299.999W( 0.001W)
Timing maximum : 0-999hours 59min 59s(accuracy 1s)
Accuracy: ±1%
Line loss: 0.1Ω
Item size: 67 * 24 * 14mm / 2.64 * 0.94 * 0.55in
Item weight: 25g / 0.88oz
Package weight: 30g / 1.06oz
Package size: 120 * 100 * 40mm / 4.72 * 3.94 * 1.57in

Package list: 
1 * USB Tester