Shelly i3
Shelly i3
Shelly i3

Shelly i3

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  • Regular price $16.99

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Shelly i3 has no relays but is small enough to be installed virtually anywhere and shows the status of 3 inputs. The device is in one of the switches and can command other connected Shelly relays, sensors, or HTTP, MQTT or CoAP controlled devices. Opportunities are endless through discrete commands on the home network or scenes in the cloud.


  • No HUB required.
  • Wide range of voltage support.
  • Multi-click support – Up to 24 possible actions.
  • 3 AC inputs.
  • Designed to fit in most standard electrical boxes and switches.
  • It can be integrated to work with all other Shelly devices.
  • Compatible with Android, iOS, Amazon Alexa, Google Assistant, and home automation servers using MQTT, CoAP, and REST API.
  • Easily make your Arduino project live and usable in your automation project.
Works with:
Home Assistant, FIBARO using Skaro, Control4, SmartThings, and more!

Check out other products in the Shelly range:

Shelly 1 Wifi Switch

Shelly 1PM Wifi Module

Shelly 1L 

Shelly 2.5 Double Relay Switch

Shelly RGBW2

Shelly Dimmer 2

Shelly Bypass

Shelly humidity and temperature sensor (black / white 

Shelly door & window Sensors

Shelly flood sensor

Shelly wifi button ( white / black )


Power supply AC 110-230V ±10%, 50/60Hz
Power supply DC 24 – 60V
Complex scenes control Activate or deactivate synchronized actions of several Shelly devices
Overload protection No
Power measurement No
Working without a neutral line No
Channels 3 Channel
Operational temperature 0 to + 40 °C
Device power consumption < 1 W
Intelligent On/Off No
Sunrise/Sunset No
Weekly Schedule No
UL Listed option No
Wireless/WiFi Protocol 802.11 b/g/n
Radiofrequency 2400 – 2500 MHz
Radio signal power 1mW
Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Size 40mm x 36mm x 10mm

Approved For Australia SAA: 211615

Now works with Apple Homekit with Custom Firmware:

*Please note we nor Shelly will support the device when flashed with custom firmware. 

Applicable products: