1、【Tempered Surface】Waterproof, moistureproof, scratch-proof. Round smooth edge will not hurt hands. 2、【Voice Control \u0026 APP Control】Compatible with Amazon Alexa/ Home. You can turn on/off your lights using APP(iOS/Android support) from anytime or anywhere. 3、【Timing Function】Control your home or office lights based on the schedule timer by APP. More convenient than using traditional alarm clock to remind you of it. 4、【Smart Share \u0026 Intelligent Scene】Share with family members/good friends and control together. Intelligent scene linkage can be set between different devices. 5、【Wide Application】Suitable for home, office, hotel, hospital, factory, etc. 6、【Long Service Life】100,000 times with long service life. Smart Switch uses your existing home Wi-Fi network to provide wireless control of your lights from anywhere, it can easily replace the traditional switches directly, then you can start controlling your lights from your mobile phone by APP. The smart light switch is also a normal switch, simply touch the switch to toggle your lights on or off. Features: 【Tempered Surface】Waterproof, moistureproof, scratch-proof. Round smooth edge will not hurt hands. 【Voice Control & APP Control】Compatible with Amazon Alexa/ Home. You can turn on/off your lights using "smart life" APP(iOS/Android support) from anytime or anywhere. 【Timing Function】Control your home or office lights based on the schedule timer by APP. More convenient than using traditional alarm clock to remind you of it. 【Smart Share & Intelligent Scene】Share with family members/good friends and control together. Intelligent scene linkage can be set between different devices. 【Wide Application】Suitable for home, office, hotel, hospital, factory, etc. 【Long Service Life】100,000 times with long service life. Note:please read user manual carefully before using it. Specifications: Type: 1 gang / 2 gang / 3 gang / 4 gang(Optional) Wiring: Neutral Line and Live Line Color: White Material:Tempered Panel + Fireproof PC Operational Voltage: AC100 ~ 240V Rated Frequency: 50 / 60HZ Max. Current: 10A (Resistive Load) Load Type: LED Lamp(500W/gang); LED Lamp(200W/gang); Energy Saving Lamp(200W/gang) Wi-Fi Protocol: IEEE 802.11 b/g/n Connect Mode: Wi-Fi 2.4G Security System: WPA-PSK / WPA2-PSK Working Temperature: 0℃ ~ 40℃ Humidity: ＜95%RH APP Support: Android / iOS Life Time: 100,000 Times Item Size: Approx. 8.5 * 8.5 * 3.5cm / 3.4 * 3.4 * 1.4in Item Weight: 1 gang: 130g / 4.6oz 2 gang: 139g / 4.9oz 3 gang: 146g / 5.2oz 4 gang: 154g / 5.5oz Package Size: 10.5 * 9.3 * 5cm / 4.1 * 3.7 * 2.0in Package Weight: 1 gang: 170g / 6.0oz 2 gang: 178g / 6.3oz 3 gang: 186g / 6.6oz 4 gang: 194g / 6.8oz Package List: 1 * Smart Touch Switch 2 * Screw 1 * User Manual(English) 1 * Smart Touch Switch 2 * Screw 1 * User Manual(English)