The Shelly 2.5 Wi-Fi double built-in switch has a double relay, which you can install behind your wall switch, socket or near your devices. The smart switch connects via WiFi to the App. Shelly has its own free App with which you can easily and cheaply set up a Smart Home System without the costs of a Gateway/Hub. Then you can also control the switch wirelessly with the App from anywhere in the world, record in smart scenes and set timers, such as turning on your lights at sunset. Voice control with Siri, Google Assistant or Amazon Alexa is also possible. The open source ensures that you can integrate Shelly 2.5 with almost any home automation system.
NB: if you have roller shutters, electric (roller) curtains or sunshades with only a remote control, first check the wiring and whether the required control current wires (4-core, usually Green/Yellow, Blue, Brown and Black) for connecting the Shelly 2.5 are available. For example, you cannot connect a wireless Somfy RTS or IO system to a Shelly 2.5.
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