The Shelly Qubino Wave i4 is an input reader device (without a built-in relay) which allows you to manually activate or deactivate any of your created scenes and execute complex trigger scenarios. Compact enough to fit behind any wall switch like the Shelly Wall Switch, the Qubino Wave i4 supports Multi-click functionality to activate up to 12 actions with single clicks long clicks or double clicks, as well as show the status of these actions, for complete customisable control over your coordinated scenes involving multiple Shelly devices. The Qubino Wave i4 offers a wide range of voltage support to be powered by 100-240V AC. **Please note:Z-Wave gateway (smart hub) sold separately. A Z-Wave gateway is required to configure the device.