Description: *1. Current: 100A, 150A, 200A(optional) *2. Operation voltage: 4.8-60V *3. Size: 9.3 *6 *2cm/3.66* 2.36* 0.79in Features: *1. It is the perfect troubleshooting multi-function tool. *2. Measure power and energy consumption of any battery powered device. *3. Easy to read. The LCD screen provides clear number readings, the watt meter will continuously provide the real-time reading of amperes, volts and watts after connection. *4. High precision. Measures 0-200 Amps, Resolution 0.01 Amps. Measures 0-60 volts, Resolution 0.01 volts. 0 - 6554W, resolution 0.1W. 0 - 65Ah, resolution 0.001Ah. 0 - 6554Wh, resolution 0.1Wh. *5. The device can calculate the voltage, current, power, discharge amount and discharge time of the aircraft, and calculate the force effect of the multi-axis aircraft. Test Range: 0-200A, resolution 0.01A 0-60V, resolution 0.01V 0-6554W, resolution 0.1W 0-65Ah, resolution 0.001Ah 0-6554Wh, resolution 0.01Wh Package Includes: 1 x Watt Meter 1 x Manual