1、Adopt universal 35mm standard guide rail installation, no screws required, buckle fixation, convenient installation. 2、Adopts clear definition LCD color screen, which can display a variety of content, such as detection of current voltage, current, power, electricity, frequency, power factor, measurement data. 3、Two control modes design, support remote manual control, as well as adding multiple groups of timing automatic control, multiple groups of countdown automatic control. 4、Support threshold value setting, dual alert of buzzer and interface display when over limits, over voltage, over current, under voltage display alarm and automatic power off, power safety. 5、Share management, multiple controls design, support one cellphone to control multiple switches, at the same time can share multiple control, landlord tenant different roles group management, support pre-saved electricity, low remaining power automatic power off. 6、Remote meter reading by cellphone, you can view the electricity consumption of tenants/daily reports/monthly reports/annual reports through mobilephone APP, real-time records of daily, monthly, annual electricity consumption, easy to know the destination of the electricity bill, so that electricity spending can be tracked.​ ​ 7、Wifi version: 8、The host is linked to WiFi, cellphone internet access unlimited distance control switch and measurement and power statistics, LCD screen network display air quality index, PM2.5 concentration, temperature, humidity, calendar, time, week and other data. 9、Visualization with network UI interface design, easy electricity management, the product connect the WiFi account by entering password, easy access to the Internet, only need to pair once whith its memory function, the another time power on automatically accesses the wifi, easy to use. 10、With the power data clearing function, it is convenient to test the power consumption of home appliances and electrical equipment, and the power data can also be zeroed remotely by your cellphone. 11、BT version: 12、Upper online OTA BT FOAT upgrade, firmware updates free upgrade function, wireless BT computers online, iOS/ Android cellphone APP control. Name: Power Meter Material: plastics Version: Wifi version APP: for SmartLife APP Wifi version Voltage: 50/60Hz Current: 0-100A Power: 0-26.5KW Item size: 97 x 76 x 76mm / 3.82 x 2.99 x 2.99in Item weight: 300g / 10.58ounce Wifi version: The host is linked to WiFi, cellphone internet access unlimited distance control switch and measurement and power statistics, LCD screen network display air quality index, PM2.5 concentration, temperature, humidity, calendar, time, week and other data. Visualization with network UI interface design, easy electricity management, the product connect the WiFi account by entering password, easy access to the Internet, only need to pair once with its memory function, the another time power on automatically accesses the wifi, easy to use. With the power data clearing function, it is convenient to test the power consumption of home appliances and electrical equipment, and the power data can also be zeroed remotely by your cellphone. 1 x Power Meter