Single phase WiFi energy meter is din rail type smart remote control electric meter. People could easily install it and monitor energy consumption anytime and anywhere by Linshu APP, to control and save energy and get a better and more comfortable life. Feature * DDSU1877 is used to measure the rated frequency of 50Hz, Rated voltage below 265V, single phase AC smart power. * Made of fine quality ABS material, impact resistance, heat-resistant, cold-resistant, and with fine insulating effect. * Alarm when low energy/overload/fraud * With RS485, GPRS, 4G, or other communication functions for reading meter and setting parameters. * The smart meter adopts the special large scale integrated circuit and special technology to ensure the accuracy and reliability of measurement. * 5+1 bit wide temperature LCD display, real-time display voltage, current, power, total energy kWh. * Comfortable guide rail installation mode 35-36 mm. * Calculate total consumption, real-time view of power consumption via mobile phone. * APP remote control. You can easily control your devices when you leave your home or fast-forward your home, easily control the status of your home device at any time via the mobile APP. * Long service time by high brightness LED indicator.. * It can realize the functions of automatic tripping when the balance is exhausted. * After you pay for the electricity, the energy meter could display the remaining electricity. * It could realize remote manual closing and open the energy meter. * The Single phase Wi-Fi energy meter will update the Kwh data when disconnect with Wi-Fi. It will not lose the historical data if there is a power outage. Specification Name: Single Phase Wifi Energy Meter Rated current: 5(60) A Reference voltage: 130V-250V Frequency: 50 Hz Pulse frequency: 1000imp/kWh Installation: 36mm Din Rail Power rate: 2W/10VA Item size: 103 * 26 * 70mm/ 4.06 * 1.02 * 2.76 in