
First Alert
First Alert Onelink Safe & Sound: Smart Smoke + CO Alarm with Alexa
Sensors · Security
HomeKit onlySmokeCarbon monoxideWi-Fi
Where to buy
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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
How it reaches your home
- HomeKit over Wi-Fi
Identifiers
| Manufacturer | First Alert (BRK Brands) |
|---|---|
| Model / SKU | 1039723 |
| Model / SKU | Onelink Safe & Sound |
Reported versions
| Version | Date | Source |
|---|---|---|
| Firmware 1.4.55 | homedevices.app |
Compatibility notes
- Hardwired smoke+CO alarm with Alexa speaker; HomeKit control via Home app/Siri (MacRumors); AirPlay 2 added by a Jan 2020 update (HomeKit News).
- Reported by HomeKit users in the HomeDevices community catalog (1 record, CA); not on Apple's accessory page.
- Category from the HomeKit category reported by the record.





