Specifications: 
Working Temperature Range： -20 ℃ to 50 ℃ 
Weight：about 57 grams
Dimension： 38x 49x 17mm
Working voltage range:8-30V
Working current range :0-100A（two T-plugs required）

Product Application：
It?s designed to measure the power of electronics.
Advertising High Light：
1. Ultra portable. And light
2. calibration of current's standard
3. Data comparing mode.
4. Manual calibration function built-in
5. Using special current sensor. High precision, low resistance.