Specifications:Working Voltage: 80~260VACTest Voltage: 80~260VACRated Power: 100A/22000WWorking Frequency: 45-65HzMeasurement Accuracy: 1.0Board Size: 7.3 x 3 x 2.3cm / 2.87 x 1.18 x 0.9 Display Format: 1. Power Test Range: 0~22kW0 ~ 10kW, the display format is 0.000 ~ 9.99910 ~ 22kW, the display format is 10.00 ~ 22.002. Energy Test Range: 0~9999kWh0 ~ 10kWh, the display format is 0.000 ~ 9.99910 ~ 100kWh, the display format is 10.00 ~ 99.99100 ~ 1000kWh, the display format is 100.0 ~ 999.91000 ~ 9999kWh and above, the display format is 1000 ~ 99993. Voltage Test Range: 80~260VACDisplay Format is 110.0 ~ 220.04. Current Test Range: 0~100ADisplay Format is 00.00 ~ 99.99 Function: 1. Voltage(V), current(A), average power(kW), energy(kWh) measurement.2. Energy reset by pressing one button.3. Store data when power off(store the accumulated energy data before power off).4. PC display function(display voltage, current, average power, energy).5. Serial port communication function(TTL serial port can communicate, read and set parameters with a variety of terminals through a USB adapter). Software Download: http://pan.baidu.com/s/1pLMxK6JPassword: ffuj Package Includes: 1 x Module(USB adapter is not included)1 x Current Transformer(random color)