ELEGANT | This connection switch will elegantly replace your current switch, and its modern design will fit harmoniously into your interior. Tactile buttons give you smooth control Intelligence | The backlight is fully controllable. The app makes it very easy to create automations such as: turn on the lights when the sun goes down or turn 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 switches on the sofa with a simple voice command, such as "Alexa, turn on the entry light" CONTROL THE SMARTPHONE | 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 run times. For example, products can be grouped together so that you can turn off all the lights at once.