Shelly 1L Single Wire - Schalter Relais Wireless WiFi Hausautomation

Single wire WiFi-operated relay, Convert any existing wall switch into a smart switch without changing the wiring or running new cables with Shelly 1L. The first device in the world that is able to automate even the appliances wired with no neutral present. Thanks to its small size and wide range of voltage support, it's a real innovation! Shelly 1L has an embedded webserver, is designed for installation in a limited space, such as wall switches, can function as a standalone device, as an accessory to a home automation controller, or it may be used as another automation system's component, can control any other Wi-Fi device in your home, temperature protection