Made of fine quality ABS material, impact resistance, heat-resistant, cold-resistant, and with fine insulating effect. Calculate consumption, real-time of power consumption via mobile phone. LCD display, real-time display voltage, current, power, energy kWh. This metering switch can set 30 kinds of time models, also has time delay function. Mini and design, saving installation space and making the installation more beautiful. Can be fixed in a 35mm mounting din rail, simple and convenient. Remote ON/OFF, easy to turn electrical devices on/off from anywhere. Timing function, use countdown timers to turn on/off at a specified time. APP remote control, you can manage connected devices at any time through Tuya application or the Smartlife application, no matter where you are. When you leave your home or fast-forward your home, you can control the status of your home device at any time via the mobile APP. Compatibility with and Google Home. Equipped with one LCD display, which can be used for more than 10 years under normal conditions. With active energy output for calibration, it is a passive photoelectric isolation type OC gate output port with a width of 80ms +/- 20ms; the waveform is square wave. With high brightness LED indicator, which can provides long service time. With UART interface communication mode, can expand other communication methods. Which is used to measure single phase AC active energy with rated frequency of 60Hz. It has higher integration and superior anti-electromagnetic interference performance. It has an untra-wide operating voltage range, high reliability, , high accuracy, and low power consumption. Specifications: Name: Wifi Intelligent Energy Meter Rated current: 5A Reference voltage: 90-250V Frequency:60Hz frequency: 1200imp/kwh Installation: 35mm Din Rail Power rate: 1W/6VA Item weight: 185g / 6.53ounce Colour: white Material: ABS Size: 79 x 36 x 66mm Package Contents: 1 x Energy meter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.