First Alert, Onelink
Onelink Smoke and Carbon Monoxide Alarm, Hardwire
Sensors · Security
HomeKit onlySmokeCarbon monoxideWi-FiBluetoothOn Apple's list
Where to buy
Store searches look up “First Alert, Onelink Onelink Smoke and Carbon Monoxide Alarm, Hardwire” at each retailer. Availability and prices vary by region; check that the model you buy says it works with Apple Home or Matter.
From store listings
| Color | White |
|---|---|
| Dimensions | 3.11 in. x 15 in. x 61.61 in. |
| Model | Onelink Safe & Sound |
From the Bing Shopping page for “First Alert Onelink Safe & Sound - Smart Hardwired Smoke + Carbon Monoxide Alarm And Premium Home Speaker With Amazon Alexa”.
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 | 1042135 (US AC-powered SKU, community) |
| Model / SKU | 1042251 (CA AC-powered SKU, community) |
Compatibility notes
- Community HomeKit catalog (homedevices.app): 'First Alert Onelink Smoke + CO Alarm (AC Power)', SKU 1042135 (US; Bluetooth only reported, fw 3.1.111) and 1042251 (CA; Wi-Fi + Bluetooth, fw 3.1.312), undated.
- The transports are inferred from the community record and the battery sibling; the HomeKit path is not manufacturer-confirmed.
