# Shelly 1L Gen4

Shelly 1L Gen4 is a direct Matter-over-Wi-Fi relay switch for Shelly-heavy homes. The safer expectation is Matter for the shared endpoint and Shelly for firmware, diagnostics, and any detailed device settings.

Canonical page: https://matterhome.io/devices/shelly-1l-gen4
Markdown page: https://matterhome.io/devices/shelly-1l-gen4.md
Author: Matterhome Editorial Team
Author profile: https://matterhome.io/authors/matterhome-editorial-team
Edited and fact-checked by: JC Martinez
Editor profile: https://matterhome.io/authors/jc-martinez

## Device Facts

- Brand: Shelly
- Model: 1L Gen4
- Product type: Matter-over-Wi-Fi Relay Switch
- Category: Switches
- Connection: Matter over Wi-Fi
- Matter status: CSA lists Shelly 1L Gen4 as a Matter 1.3 product using Wi-Fi, Bluetooth, certified on 2025-02-10.
- Launch date: 2025-02-10
- Thread border router required: No
- Brand hub required: No
- Typical price range: €30-€80
- Review status: Compatibility guide
- Product image: https://matterhome.io/content-assets/devices/shelly-1l-gen4/product.png
- Product image alt text: Shelly 1L Gen4 product image
- Product image source: https://cdn.shopify.com/s/files/1/0871/9967/8813/files/Shelly-1L-Gen3-Bypass-main-image.png?v=1744704655

## Ecosystem Support

- Apple Home: Supported
- Google Home: Supported
- Alexa: Supported
- SmartThings: Supported
- Home Assistant: Limited

## Best For

- Retrofit relay jobs behind a switch or outlet
- Shelly users who want direct Matter sharing
- Loads that only need reliable on/off control

## Skip If

- The wiring or load requirements are uncertain
- You need a finished decorative wall control
- You need dimming or power monitoring

## Setup Notes

- Confirm wiring, load type, neutral requirements, and enclosure space before buying.
- Install and test in Shelly before Matter pairing.
- Keep Shelly available for firmware and power or relay settings.

## Known Limitations

- Matter may expose relay control more consistently than power or diagnostic detail.
- Shelly app or web UI may still be needed for firmware, setup, diagnostics, and advanced behavior.
- The matching Shelly shop listing for this exact certified model was not available in the current product search; this page uses the CSA certification and nearest Shelly family imagery.

## Pros

- Direct Matter-over-Wi-Fi relay control
- No Thread border router or Shelly hub required
- Compact retrofit module family
- Shelly app and web UI remain available for firmware and settings

## Cons

- Installation depends on wiring, enclosure space, and load type
- It is not a finished wall control by itself
- The matching Shelly shop listing for this exact certified model was not available in the current product search; this page uses the CSA certification and nearest Shelly family imagery.

## Sources

- https://csa-iot.org/csa_product/shelly-1l-gen4-2/
- https://www.shelly.com/products/shelly-1l-gen3
- https://cdn.shopify.com/s/files/1/0871/9967/8813/files/Shelly-1L-Gen3-Bypass-main-image.png?v=1744704655

## Direct Matter without a Shelly hub

Shelly 1L Gen4 is listed by CSA as a Matter over Wi-Fi device. That makes the Matter path direct: it joins a Matter controller over Wi-Fi and does not need a Thread border router or a Shelly bridge for the Matter endpoint.

The image and availability trail is weaker than for older Shelly shop listings. The Matter claim on this page comes from the CSA certification entry, so check Shelly regional availability before planning a multi-device install.

## Setup path

For a relay, start with wiring, load type, enclosure space, and local electrical code before the app setup.

Use Shelly's app or web interface for Wi-Fi onboarding, firmware, device settings, calibration, and any device detail that your Matter ecosystem does not expose cleanly.

## What to verify

Matter should cover the common endpoint, but the valuable details can vary. For Shelly meters, plugs, and PM relays, verify wattage, energy totals, and reporting frequency. For flood and motor-control devices, test the exact alert or movement behavior before building routines around it.

## Should you buy it?

Buy 1L Gen4 when the physical format fits the job and you want a direct Wi-Fi Matter path. Skip it if you need every Shelly app feature to appear identically in Apple Home, Google Home, Alexa, SmartThings, and Home Assistant.