
The Shelly i4 Gen3 is a smart Wi-Fi module designed to control up to four digital inputs, allowing you to manually activate or deactivate scenes you create, synchronize actions or perform complex trigger scenarios in your smart home. With its compact design, you can easily install it behind most wall switches in minutes. The Shelly Gen3 i4 switch supports up to 16 different actions thanks to its multi-click function and is equipped with the powerful ESP-Shelly-C38F processor with 8 MB of memory. Shelly i4 Gen3 is fully compatible with platforms such as Amazon Alexa, Google Assistant and Samsung SmartThings. In addition, it offers advanced integration options via MQTT, WebSocket, HTTPS or custom certificates, making it the ideal choice for smart home and professional installations. The Shelly i4 Gen3 requires no central HUB, making it easy to integrate into an existing home network. Bluetooth support makes adding devices quick and easy. The Shelly Gen3 i4 Switch is ideal for those who want full control of their smart devices and scenes from one place.

The Shelly Gen3 i4 switch features four independent digital inputs that allow easy scene activation and synchronization of multiple devices within a smart home. Each input can be individually programmed for different actions, providing maximum flexibility when creating automation scenarios. With this feature, you can control lighting, blinds, heating or other smart devices at the touch of a button.

Shelly i4 Gen3 allows you to define up to 16 different actions based on the type of button press, including single, double, multiple clicks or combinations of clicks. This feature provides maximum flexibility in controlling devices and triggering scenes - for example, you can turn on the lights with one click, double-trigger the air conditioning and hold longer to activate the security mode. This option makes it easy to tailor your smart home control to your exact needs.

The Shelly Gen3 series introduces a revolutionary "virtual components" feature that changes the way you manage and control devices from different manufacturers. With Shelly Smart Control, you can create virtual devices that make it easy to integrate other brands into a single control system. With this feature, you can control all smart devices, regardless of their origin, from one clear interface.

The Shelly Gen3 i4 Switch delivers maximum convenience and flexibility by supporting voice assistants such as Amazon Alexa and Google Assistant, which allow you to control your device using voice commands. In addition, it offers advanced automation capabilities with MQTT, Webhooks, HTTPS and more, making it an ideal choice for smart homes and commercial spaces. These technologies allow you to create complex scenarios such as automatic lighting control, blind synchronization, fan triggering or integration with smart home systems such as Home Assistant or Node-RED.

The Shelly Gen3 i4 module is designed for easy installation in standard electrical boxes, behind outlets or switches. Its small size makes it ideal for places with limited space without disturbing the look of your interior. This practical design ensures that you can quickly and easily upgrade your existing electrical systems and turn them into smart home features.


The Shelly Gen3 i4 switch offers a wide range of applications in the smart home. You can use it to manually control the lights in individual rooms, to synchronise blinds or shutters for ideal shading, or to activate fans when the set temperature is exceeded. With the ability to control up to 16 actions, it is also ideal for creating scenes, "Morning," for example, which automatically turns on the lights, opens the blinds and turns on the coffee machine, or "Leaving home", which will shut down all devices and activate the security system. Shelly i4 Gen3 is also a great addition for commercial spaces where it can run complex automation, such as offices or hotels.

The Shelly Smart Control app is the ideal tool for managing Shelly i4 Gen3 and other smart devices in your home. It makes it easy to control connected devices, set schedules and create automations, for example to control lighting, blinds or other systems. With an intuitive interface, you're in full control of your smart home, whether you're at home or on the go. The app also supports integration with other Shelly devices, allowing you to connect all the elements of your smart home into a single platform and tailor them to your exact needs.

Shelly Group LLc., : 51 Cherni Vrah Blvd., building 3, floor 2 and 3, 1407 Sofia, Bulgaria, [email protected] , +359 2 957 1249
Specifications can be changed without notice. Images are for illustrative purposes only.