i4 GEN3
Shelly i4 Gen3, is a compact Wi-Fi-enabled smart controller that allows you to trigger scenes with manual inputs. This device is small enough to fit behind wall switches, has four independent inputs, and can activate connected Shelly devices, HTTP/MQTT controlled systems, or scenes using triggers from each input.
Shelly i4 Gen3 offers fast response and more stable connections thanks to its advanced processor and increased memory. It can be configured directly via the embedded web interface, scenarios can be defined, and all operations can be easily monitored. It can operate independently on the local network or be integrated with cloud-based systems.
The device is an ideal solution for professional or individual automation scenarios, thanks to Bluetooth-supported setup, BLE Gateway, Wi-Fi signal extender, and extensive API support.
Features
Technical Specifications
Key Features
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4 Independent Inputs – Each input can be used as a separate trigger
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Manual or Scenario Triggering – Execute other devices, scenes, HTTP/MQTT commands
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Control via Web Interface – Direct configuration without additional applications
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Wi-Fi & BLE Connectivity – 802.11 b/g/n + Bluetooth 4.2
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BLE Gateway – Communication bridge with Shelly BLU devices
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Wi-Fi Range Extender – Support for extending the existing network
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Alexa Compatibility – Trigger automation with voice commands
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Scripting & API Support – ShellyScript, HTTP API, MQTTs, Webhooks, UDP
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Advanced Performance – Enhanced processor and increased memory
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Compact Design – Easy installation in standard electrical boxes
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