Multi-Control Association: wifi switches have 1/2/3/4way and can control one light from four Different places(the maximum is 4 way). If you want to control 1 light from 3 places you need to buy 3 pieces wifi switches at least. 1. Popular Colors are available: Black, White, Golden, Gray. 2. Wifi home switch is Fireproof and Waterproof. Protection Against Electric Shock for Your Family. 3. Made of Premium Quality Tempered Glass and PC Plastic Material, offers excellent Scratch Resistance. 4. Different quality testing during production, to ensure each switch work well before it is delivered to customers. 5. Elegant look, Suited greatly with many modern decor styles. It can be applied to living room, bedroom, corridor, kitchen, bathroom, Office and so on. App Installation: Download The Tuya Or Smart Life App To Your Smartphone Or Tablet. The App Can Be Downloaded From Apple App Store or Google Play, Then Connect Your App With Amazon Alexa Or Goggle Home Which Enable You To Voice Control Your Lights And Appliances. Max. Strom: 10A Load: 1000W/Gang Wireless consumption: ≤0.2W Max. voltage: 90 ~ 250V(AC) Relative Humidity: 10% ~ 93% Working Temperature: -30 ℃~+70℃ Certification: CE, RoHS WiFi Frequency: IEEE802.11 b/g/n WIFI Standard: Wifi 2.4GHz b/g/n APP: Tuya/Smart Life Voice Control: Google Home, Amazon Alexa Wire: Need Neutral Wire Back Light: ON-light Blue OFF-Weak Blue Module shape: Square Wall Box Type: Round & Square