Automation Function: You can set the power or current value in APP, only when the power or current exceeds the value, the device starts to work. Power Statistics: APP program displays daily, monthly and yearly reverse and forward totals of channel individually. Power usage percentage display to avoids abnormal power usage. Mobilephone APP Control: The app displays real-time power, current, voltage, power factor and frequency of channel for forward and reverse. Features: Powerful Function: High-precise measurement, real-time monitoring of voltage, current and power of each channel when generating and consuming kilowatts. Feature-rich Design: Automated setting of valve-values and push notifications, and the device is to be calibrated by adjusting the percentage. Easy Installation: 35mm rail mounting, no need to replace wires connection is , just put the wires in the clip and measure., Weight: 0.40895749601 pounds, Manufacturer: Ehwisbe