Shelly
Shelly Flood Gen4
Sensors · Security
MatterLeakWi-FiBluetooth
Where to buy
- Shelly websiteus.shelly.com
- Shelly website (shelly.com)shelly.com
- Amazonamazon.com
- Best Buybestbuy.com
- The Home Depothomedepot.com
- Walmart$39.99 · walmart.com
- SupplyHouse$39.99 · supplyhouse.com
- Amazon UKamazon.co.uk
- Amazon DEamazon.de
Search other stores
Store links open the product’s own page, matched to this accessory by name and model number. Prices are what each store showed on 22 October 2026 and will have changed, and stock isn’t checked; check that the model you buy says it works with Apple Home or Matter.
From store listings
$39.99 at 2 stores on 22 October 2026.
From the Bing Shopping page for “Shelly Flood Gen4 Smart Flood Sensor”.
In ReReHome
Readings from eleven sensor types, any of which can trigger an automation.
And every other characteristic or Matter attribute it exposes.
Reports to Apple Home
Connectivity
- Wi-Fi
How it reaches your home
- Matter over Wi-Fi
Identifiers
| Manufacturer | Shelly (Allterco Robotics) |
|---|---|
| Model / SKU | Shelly Flood Gen4 |
| Matter ID | 5264 / 6178 |
Reported versions
| Version | Date | Source |
|---|---|---|
| Firmware 2.0.0 | 2026-07-13 | shelly-api-docs.shelly.cloud |
| Firmware 1.3.0-s1, Matter 1.3 | 2025-06-30 | on.dcl.csa-iot.org |
| Firmware 1.3.0-s1 | homedevices.app |
Compatibility notes
- CSA DCL matter:5264:6178 'Shelly Flood Gen4' (water-leak detector, Wi-Fi); Flood S Gen4 is matter:5264:6182 (firmware 2.0.0, 2026-07-13, fixed its Matter/Zigbee product name).
- Shelly Gen4 devices ship with Wi-Fi/Bluetooth firmware that can be switched to Matter-over-Wi-Fi or Zigbee; the firmware 1.7.0 changelog (2025-07-30) adds a local-web page for switching to the alternative Matter/Zigbee firmware on 1 Gen4, 1PM Gen4, 1 Mini Gen4 and 1PM Mini Gen4; 1.6.0 (2025-04-30) first added Matter to Gen3 relays. The community-reported '1.3.0-sN' string is the Matter firmware's own version, not the main changelog version.
- Firmware versions reported by community devices: 1.3.0-s1.
- Reported by HomeKit users in the HomeDevices community catalog (1 record, AT); not on Apple's accessory page.
- Category from the HomeKit category reported by the record.
