
First Alert, Onelink
Onelink Smoke and Carbon Monoxide Alarm, Battery Powered
Sensors · Security
HomeKit onlySmokeCarbon monoxideWi-FiBluetoothOn Apple's list
Where to buy
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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
- Bluetooth LE
How it reaches your home
- HomeKit over Wi-Fi
Identifiers
| Manufacturer | First Alert (BRK Brands / Resideo), Onelink |
|---|---|
| Model / SKU | DC10-500 |
| Model / SKU | 1042136 (US SKU, community) |
| Model / SKU | 1042253 (CA 2nd gen SKU, community) |
Compatibility notes
- Onelink Wi-Fi smoke + CO alarm with a 10-year sealed battery. Community HomeKit catalog (homedevices.app) records: DC10-500 (Wi-Fi, fw 2.1.82) and 1042136 (Bluetooth + Wi-Fi, fw 3.1.508), undated.
- Manufacturer Onelink pages are no longer available on firstalert.com, so there is no primary-source confirmation.




