Free shipping over $35 · 60-day returns · Price-watch guarantee

Ventari

Shelly

Shelly i4 Gen3 WiFi Smart 4-Digital inputs Controller of Shelly Relays Home Automation Compatible with Alexa Google Home

4.6(98)
$16.99

65+ bought in the past month

About this item

  • Shelly i4 Gen3 provides control over four digital inputs, enabling you to manually activate or deactivate scenes, synchronize actions, and execute complex triggers. Instantly manage devices, control lights, close blinds, and trigger scenes—all from a single location. Additionally, it functions as a Bluetooth gateway, expanding your smart home connectivity. With its compact design, the Shelly i4 Gen3 fits behind most wall switches and installs in under 10 minutes, making it a seamless retrofit for any standard four-button switch.
  • Effortless Device Control - Shelly i4 Gen3 provides manual control over your Shelly devices from a single location. Easily turn off lights, close blinds, operate the garage door, and more, with up to 16 different actions at your fingertips. Enjoy seamless control and convenience right from your home.
  • Instant Scene Activation - Forgot to turn off the lights before bed? No problem! With Shelly i4 Gen3, activate a "Bedtime" scene with just one touch. Effortlessly turn off lights, close blinds, and engage the security system—all from the comfort of your bed.
  • Shelly Customer Service - Shelly is one of the fastest-growing Smart Home brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 3 years device warranty.
  • Shelly Smart Control App will help you control your Shelly devices remotely and will send notifications for all automated events in your home. You can easily configure devices and manage their settings individually, or you can create personalized scenes by combining Shelly devices to trigger certain actions in your home automation.

Key details

Connector Type
Quick Connect
Contact Type
Normally Open
Mounting Type
Wall Mount
Brand
Shelly
Highlights

About this item

  • Shelly i4 Gen3 provides control over four digital inputs, enabling you to manually activate or deactivate scenes, synchronize actions, and execute complex triggers. Instantly manage devices, control lights, close blinds, and trigger scenes—all from a single location. Additionally, it functions as a Bluetooth gateway, expanding your smart home connectivity. With its compact design, the Shelly i4 Gen3 fits behind most wall switches and installs in under 10 minutes, making it a seamless retrofit for any standard four-button switch.
  • Effortless Device Control - Shelly i4 Gen3 provides manual control over your Shelly devices from a single location. Easily turn off lights, close blinds, operate the garage door, and more, with up to 16 different actions at your fingertips. Enjoy seamless control and convenience right from your home.
  • Instant Scene Activation - Forgot to turn off the lights before bed? No problem! With Shelly i4 Gen3, activate a "Bedtime" scene with just one touch. Effortlessly turn off lights, close blinds, and engage the security system—all from the comfort of your bed.
  • Shelly Customer Service - Shelly is one of the fastest-growing Smart Home brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 3 years device warranty.
  • Shelly Smart Control App will help you control your Shelly devices remotely and will send notifications for all automated events in your home. You can easily configure devices and manage their settings individually, or you can create personalized scenes by combining Shelly devices to trigger certain actions in your home automation.
Close-up view of the Shelly i4 Gen3 WiFi Smart 4-Digital inputs Controller of Shelly Relays Home Automation Compatible with Alexa Google Home
Details

Materials and maintenance

Contact Material
Silver

From the brand

Product detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detail
Product detailProduct detailProduct detailProduct detail

Product videos

Product video 1

Customer reviews

98 reviewsPositive

Rated 4.6/5 across 98 reviews — highly regarded by customers.

  • 100% of sampled reviews are from verified purchases.
  • 88% of sampled reviews give 4–5 stars.

Customers say

Customer summary is not available yet.

Reviews with images

Customer review image for Easy Home Assistant Integration for AutomationCustomer review image for Easy Home Assistant Integration for AutomationCustomer review image for Easy Home Assistant Integration for Automation
See all photos
★★★★★

Amazing, small and powerful

Easy to set up, has email capability, using it as a relay input to broadcast alarm. Does much more that just that. Recommend Read more

JG44070Verified purchase
★★★★★

Exactly what it is

Great product for a very specific purpose, to trigger *other* Shelly relays, but device has no "dry contacts" of its own, just to be clear. Embedded in my wall of my garage, using momentary rocker switches, it makes for the perfect solution to trigger the Shelly relays that control my garage door openers. Read more

Grant S.Verified purchase
★★★★★

Great product. Easy to integrate and program

Great product. Easy to integrate and program Read more

PickleVerified purchase
★★★★★

Easy Home Assistant Integration for Automation

I used this for a project for Home Assistant to detect fire and smoke from this alarm. It works exactly as expected, super easy with the Shelley App Read more

Customer review image for Easy Home Assistant Integration for AutomationCustomer review image for Easy Home Assistant Integration for AutomationCustomer review image for Easy Home Assistant Integration for Automation
TorosVerified purchase
★★★★★

Wo

Very nice much smaller then I thought it would be Read more

BarryVerified purchase
★★★★★

Great little device

Great little device. It allows you to connect a momentary light switch that can trigger an event within Home Assistant. Read more

Greg PowersVerified purchase
★★★★★

Small enough to fit in a typical box

Works well Read more

DL ThompsonVerified purchase
☆☆☆☆

Turns on lights on all lights in middle of night

Darn thing updates or something in woke me up at 3am so I switched to 7am and it does it at 7am now junk Read more

Musser FamilyVerified purchase
Recently Viewed

We use optional analytics cookies to understand how visitors use Ventari and improve the experience. This banner controls analytics measurement only. See our Cookie Policy.