Shelly WiFi Plus i4 4 Digital Input Controller

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Smart Scenes Activation With Enhanced Control

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

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

Bluetooth 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

Scripting Shelly Plus i4 supports Java Scripts for customized and complex scenarios

Extremely fast processor For immediate command execution and notification

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. 

For example:

1 click - Turn on/off lights

2 clicks - Close shades

1 long click - Turn on/off lights in the hall

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!

Whether you use Shelly WiFi 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.


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 devices.

  • WiFi  - Connects to your WiFi network. No HUB required!
  • Bluetooth - Add devices quick and easy via Bluetooth connection, using Shelly Cloud App
  • Extremely fast processor – ESP32
  • Multi-click - Up to 12 possible actions
  • Improved API interface
  • Java Scripts support for customized and complex scenarios


Power supply AC 110-240V ±10%, 50/60Hz
Power supply DC No
Channels 4 Channel Input
Device temperature protection Yes
Overload protection No
Multi-click support Up to 12 possible actions
HTTP/HTTPS webhooks Yes
Custom scripts (mJs) Yes
Operational temperature -20°C to + 40 °C
Device power consumption < 1 W
Intelligent On/Off Yes
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
Wireless Yes
Wi-Fi Protocol 802.11 b/g/n
Wi-Fi Radio frequency 2412-2472 МHz
Wi-Fi Radio signal power 1mW
Wi-Fi Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Size 42 x 38 x 17mm
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