1.Easy replace your light switch or dimmer switch to make it smart,can make your exist 1/2 way switch smart also,just install 1 DIY smart switch module,or dimmer switch module,suit for EU/UK switch box,please confirm the size before order.2.0%-100% Dimmable for the dimmer switch module: Adjust the Brightness Via Your Voice Assistant like Google Home or your mobile phone3.Wi-Fi control via your mobile phone 2.4G Networks provides the needed connection to the DIY Switch Switch Module without the need of a separate HUB.4. popular"Smart life/Tuya"Android / IOs app Versatile APP Allows for Full Control of Your Lights or Appliances. Multiple Program Allow You to Plan the Exact Time to Turn Lights On/Off Automatically.5.Give your devices the ultimate on/off smart makeover,Simply Wire this Do-It-Yourself Module between your Device and Source to convert Products to a Smart one.Colour:WhiteMaterial: retardant materialSize: 51 x 46 x 17mmtype:2 GangPackage Contents:1 x Smart Dimmer SwitchOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.