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. Features: Wi-Fi Dimmer SwitchControl light on/off, adjust the brightness of light. Tempered SurfaceWaterproof, moistureproof, scratch-proof. Round smooth edge will not hurt hands. Voice Control & APP ControlCompatible with Amazon Alexa/ Google Home. You can control your lights using "smart life" APP(iOS/Android support) from anytime or anywhere. Timing FunctionControl 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 SceneShare with family members/good friends and control together. Intelligent scene can be set through APP. 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 Wiring: Neutral Line and Live Line Color: White Material:Tempered Panel + Fireproof PC Operational Voltage: AC100 ~ 240V Rated Frequency: 50 / 60HZ Max. Current: 2A Load Type: Dimmer switch- Less than 350W for dimmable lamp 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: 139g / 4.9oz Package Size: 10.5 * 9.3 * 5cm / 4.1 * 3.7 * 2.0in Package Weight: 178g / 6.3oz Package List: 1 * Wi-Fi Dimmer Switch 2 * Screw 1 * User Manual(English)