Shelly i4 Gen3

Shelly i4 Gen3 is a four-input Wi‑Fi switch module that turns ordinary switches or push-buttons into scene controllers. Small enough to fit behind a wall switch, it triggers scenes and actions on other Shelly, HTTP or MQTT-controlled devices.

• Inputs: 4 switch/button inputs
• Power supply: 110–240 V AC, 50/60 Hz
• Connectivity: Wi‑Fi 802.11 b/g/n and Bluetooth 4.2
• Functions: scenes, actions, scripting and MQTT
• Extras: BLU gateway and Wi‑Fi range extender
• Power consumption: < 1 W
• Dimensions: 37 × 42 × 16 mm, 19 g
• Manufacturer SKU: FG3800235261828