ELEGANT | This connection switch will elegantly replace your current switch, and its modern design will blend harmoniously into your interior. The touch buttons offer you smooth control Smart | The backlight is fully controllable. The application makes it very easy to create automations such as: turning on the lights when the sun goes down or turning off all the lights when I leave the house (geofencing). This product requires the presence of phase and neutral because the switch must be powered to connect to Wi-Fi Voice control | Using Alexa, Google Home or Siri shortcuts, you can control the sofa switches with a simple voice command, such as "Alexa, turn on the entrance light" SMARTPHONE CONTROL | Whether you are at home, in the office or anywhere in the world, you can control your device. All you need is internet access, including WiFi and 4G, and you can control your devices, check their status and even schedule scenarios or runtimes. For example, products can be grouped together so you can turn off all the lights at once.