Shelly Flood S Gen4
CSA Matter certified (certificate CSA25430MAT45954-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Jun 30, 2025 · Connectivity: Wi-Fi, Bluetooth · Thread border router: Not needed (uses Wi-Fi)
- Works with
- Matter certified as a water leak detector, so it can work with Matter apps such as Apple Home, Google Home, Alexa and SmartThings when the app supports its device type; supported features vary by app. The maker hasn’t named platforms on a page we hold.
- CSA certificate
- CSA25430MAT45954-24, certified Jun 30, 2025
- Network & hub
- Wi-Fi; needs no Thread border router, only your platform’s Matter controller
- Model number
- S4SN-0071Z
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Shelly US
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2 stores
Shelly US
Notes
Link to Shelly US's product page. Confirm the exact variant, current price and delivery at the retailer.
Newegg
Notes
Affiliate link to Newegg's US product page for Shelly Flood S Gen4 Smart Water Leak Sensor, Matter-over-Wi-Fi, Wi-Fi 6, Zigbee 3.0, Bluetooth 5 LE, IP67, CR1; GTIN 3800238073701 equals this record's GTIN. Newegg Marketplace listing (third-party seller); confirm the seller and condition. Confirm the exact variant, current price and delivery at the retailer.
Check the model, region and pack size at the retailer. Prices and availability are confirmed there.
CSA model/software record
Certificate: CSA25430MAT45954-24Battery-powered water leak sensor with stainless-steel sensing pads and a built-in buzzer, rated IP67; runs on one CR123A battery (included). Matter over Wi-Fi, with Bluetooth for setup.
Specifications
- Brand
- Shelly
- Category
- Sensors
- Protocols
- Wi-Fi, Bluetooth, Matter
- Certificate ID
- CSA25430MAT45954-24
- Certified
- Jun 30, 2025
- Certified model
- S4SN-0071Z
- Certified software version
- 1.3.0-s1
Certification covers the named model(s) and software version(s) listed. It does not verify firmware installed on a retail unit or current retail availability. View CSA model/software record
Ecosystem compatibility
Quick answers
- Is the Shelly Flood S Gen4 Matter certified?
- Yes. CSA Matter certificate CSA25430MAT45954-24 covers model S4SN-0071Z with software 1.3.0-s1. The certificate does not establish the firmware on a unit you buy.
- Does the Shelly Flood S Gen4 use Thread or Wi-Fi?
- Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
- Where can I buy the Shelly Flood S Gen4?
- MatterCatalog has verified store links for it at Shelly US and Newegg. Check the current price, model and pack size at the store.
From this product’s catalog record, not hands-on testing. Editorial policy
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Shelly Flood S Gen4
CSA model/software record