Multi-Input Smart Controller with Wi-Fi & Bluetooth- up to 16 possible actions Designed to fit in most standard electrical boxes and switches Easy control through the Shelly app, various protocols, and platforms, as well as voice assistants Has an embedded web server and connects to your Wi-Fi network Ideal for use with the Shelly Wall Switch for Smart Relays, offering up to three distinct functions per button. It can also act as a Wi-Fi range extender, enhancing network coverage for your smart home.