Smart scenes activation with enhanced control

Shelly Plus i4 allows you to manually activate or deactivate any created scene, run synchronized actions, or execute complex trigger scenarios. Enhanced with an extremely fast processor, Shelly Plus i4 will immediately command the execution and notification of various actions. You can use Shelly Plus i4 to control other connected Shelly relays, sensors, or HTTP and MQTT-controlled devices. Small enough to behind every wall switch, Shelly Plus i4 can show the status and control the action of four inputs.


Wi-Fi operated

Connect Shelly Plus i4 to your Wi-Fi network. No HUB required


Add devices quickly and easy via Bluetooth connection, using Shelly Cloud App

Wide range of voltage support

Shelly Plus i4 can be powered by 110-240 V AC

Multi-click support

Up to 12 possible actions. Control the lights, shut the blinds, turn off outlets. Run any Shelly device and scenes you desire

Enhanced security

MQTT and WSS support, TLS and custom certificates support for a broad range of use cases

Improved API interface

Broad range of cloud connections and local integrations with much lower integration cost


Shelly Plus i4 supports Java Scripts for customized and complex scenarios

Extremely fast processor

For immediate command execution and notification

Choose the device that
fits your needs

Shelly Plus i4

110-240V AC

Shelly Plus i4 is suitable for any AC powered system. Use it as a switch input to control your lights, garage door, blinds and appliances manually from one centralized place.

Shelly Plus i4 DC

5-24V DC

Shelly Plus i4 DC supports low voltage DC systems. Suitable for a wide range of applications, it can be wired to alarm systems, doorbells and garage doors, keeping you always notified of their state.

Endless use applications

Multi-actions support

Install Shelly Plus i4 where it is most convenient to you and use it to activate various scenes or actions from the other Shelly devices in your home with as much as a push of a button. Shelly Plus i4 supports up to 3 different actions per button, which makes it extremely convenient for quick manual control over a group of devices.

Ultimate comfort

One of the most frustrating things is to realize you forgot to switch off the lights in the living room before you go to bed. Especially when your phone is nowhere around. But there is no need to worry! Shelly Plus i4 allows manual control of other Shelly devices. Now the full control of your house is just one hand away!

Complex scenes control

Manually activate or deactivate complex scenes. With Shelly Plus i4 you can run synchronized actions of several Shelly devices. You can install Shelly Plus i4 close to the front door of your home and turn off/on all the lights in your house with one push of the button, saving you time when you are in a hurry.

Advanced Scene Activation

1 click

Turn appliances off

2 clicks

Close blinders

1 long click

Turn on/off lights in the hall
Shelly Plus i4 and smart bulbs

Smart Bulbs control like never before

Whether you use Shelly Wi-Fi bulbs, Philips Hue, or even different brands smart bulbs, Shelly Plus i4 is highly compatible and can control them all!

Furthermore, you can use Shelly Plus i4 to set the light color you want or for dimming of your smart bulbs. All you have to do is add and configure one of our scripts or webhooks created specifically for Shelly Plus i4.

Learn how

Perfect match

Shelly Plus i4 is perfect for Shelly Wall Switch for Smart Relays – 4 button switch. Each button can activate up to 3 different actions. That means that only one 4 button switch would allow as much as 12 scenes trigger and execution!

Thanks to its compact dimensions and simple wiring, Shelly Wall Switch for Smart Relays can fit into any existing switch console or even the tiniest spaces. No expansion of the wall space or any changes in the wiring needed!

Replace one of the switches in your room and control remotely any other installed Shelly device!

Set the perfect brightness with just one click!

Highly compatible

Use Amazon Alexa to control Shelly Plus i4 and activate scenes using your voice!

Wirring diagram

No hub required

Shelly Plus i4 can be controlled directly and without a hub through your smartphone with Shelly Cloud App. Manage and control your home or facility, set scenes, schedules, and adjust settings wherever you are through the Cloud access, or only on the local network!

Get Shelly Cloud App. Available for iOS and Android.

Supported platforms

Use devices with your one local or centralized server - you can keep them fully isolated from public Internet network. Shelly Plus i4 is compatible with Amazon Alexa, Home Assistant, Smart Things and other 3rd party home automation platforms. Shelly Plus devices can also be grouped with all Shelly devices, as well as other smart home devices on the home network.