Meross
Meross Smart Multi-Function Water Leak Sensor MS420
Sensors · Security
MatterLeakBridgeWi-Fi
Where to buy
Store searches look up “Meross Smart Multi-Function Water Leak Sensor MS420” at each retailer. Availability and prices vary by region; check that the model you buy says it works with Apple Home or Matter.
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
- Meross sub-GHz RF → Meross Matter Smart Hub MSH450 / MSH450 Pro (Wi-Fi) → Apple Home (Matter bridge)
Identifiers
| Manufacturer | Meross |
|---|---|
| Model / SKU | MS420 |
| Model / SKU | MS420HMA |
Compatibility notes
- Meross catalog handle 'matter-water-leak-sensor-ms420': '4-in-1 Smart Water Leak Sensor, MS420' (SKUs MS420-UN, MS420HMA-AU/EU); hub sub-device exposed via the MSH450 Matter hub.
- Reported by HomeKit users in the HomeDevices community catalog (1 record, DE); not on Apple's accessory page. It reaches Apple Home through its maker's bridge or hub.
- Category from the product name ("sensor").
