The 1 button switch comes with attachable relay holders. Shelly Wall Switch for Smart Relays can fit into any existing wall switch console or even the tiniest spaces, due to its compact dimensions and simple wiring.
- Relay holder 1 – Shelly 1 / Shelly 1PM
- Relay holder 2 – Shelly Plus 1 / Shelly Plus 1PM
- Relay holder 3 – Shelly 1L / Shelly Dimmer 2