Built on the advanced Shelly chip, Gen3 devices offer twice the memory capacity and support future Matter upgrades. They also feature virtual components, allowing seamless integration and centralized control of third-party devices through the Shelly Smart Control App.
Shelly i4 Gen3 pairs with the Shelly Wall Switch for Smart Relays, offering a 4-button layout for intuitive control. Each button supports multiple press types, enabling up to 16 customizable scenes or actions from a single switch.
With Shelly i4 Gen3, you can manage multiple Shelly devices simultaneously. Place it by your main entrance to conveniently switch all lights on or off throughout your home with a single press.
No need to get up if you left the lights on - just tap to activate your "Bedtime" scene. Instantly switch off all lights, lower the blinds, and arm your security system in one smooth action.
Shelly Plus i4 features a Wi-Fi repeater mode that improves wireless range and signal stability. Enjoy stronger connectivity and smoother integration across your smart home devices.


Qualify for more purchasing power and use it to buy the things your business needs to grow with each approved transaction.
a Behalf Internet Account
Select NET 30 financing OR use extended financing up to 180 days.
Subject to underwriting approval. See Simple Financing Examples. Estimated monthly amount is based on the equivalent of 1% financing fee over a financing period of 6 months. Financing fee typical for business customers with exceptional creditworthiness and is calculated based on purchase amount and does not decline until satisfaction of the transaction. Assignment of purchasing limit occurs at Behalf enrollment. Financing request and approval occurs at the transaction checkpoint. Terms and Conditions subject to change at any time. The discount rate is expressed in a percentage as an example only for comparison purposes.
** Behalf’s Net is an alternative financing option offered by Select merchants and allows the Business Customer to pay no financing fees if the Order Request is satisfied in full and in accordance with terms and conditions within 30 days.
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