Smart Switch uses your existing home Wi-Fi network to provide wireless control of your lights from anywhere, it can easily replace thetraditional 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 SurfaceWaterproof, moistureproof, scratch-proof. Round smooth edge will not hurt hands. Voice Control & APP ControlCompatible with Amazon Alexa/ Google Home. You can turn on/off your lights using "smart life" APP(iOS/Android support) fromanytime or anywhere. Timing FunctionControl your home or office lights based on the schedule timer by APP. More convenient than using traditional alarm clock toremind you of it. Smart Share & Intelligent SceneShare with family members/good friends and control together. Intelligent scene linkage can be set between differentdevices. Wide ApplicationSuitable for home, office, hotel, hospital, factory, etc. Long Service Life100,000 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: Incandescent 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)