Check the listing for details. Smart WIFI Light Switch Work with Alexa&Google Voice and Remote Control 3 Gang. Color: White, Condition: Open box. Listed at 24.29 USD. Easy to Set Up 1. Download the “Smart life” from App Store or Google Play store. 2. Connect your mobile device to your 2.4GHz Wi-Fi network. 3. Launch “Smart life” and follow the wiring steps provided. 4. Connect the Smart Switch to your home network. 5. If you don’t know how to install the switch, or don’t know how to connect to wifi or Alexa, please feel free to contact us. Kindly Remind: 1. Live wire and neutral wire are required. 2. We recommend asking professional electrician to install. 3. Support 2.4 GHz Wi-Fi Only. 4. WiFi name and password should only contain letters and numbers. No special symbols allowed. 5. Our switch is one-way switch, can't be compatible with 3-way switch box. 6. If you have any problem in installation and use, please contact us any time by checking Your Orders and clicking Contact Seller Smart wall light switch install and connection instruction: Watch Video Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo]