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Onelink by First Alert Smoke + Carbon Monoxide Alarm - Hardwired

Onelink by First Alert Smoke + Carbon Monoxide Alarm - Hardwired

Sensors · Security

HomeKitSmokeCarbon monoxideFormerly on Apple's list

Where to buy

Store searches look up “Onelink by First Alert Smoke + Carbon Monoxide Alarm - Hardwired” 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

4.8 out of 5 from 90 ratings across stores

Alarm TypeCarbon Monoxide Alarm
Power SourceWired
Installation MethodWired
ConnectivityWi-Fi

From the Bing Shopping page for “First Alert Onelink Smart Smoke & Carbon Monoxide Alarm Hardwired”.

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

Compatibility notes

  • Apple's accessory page listed this product from 2017-03-07 to 2019-09-05 (Wayback Machine snapshots, section “Sensors”); it is not on the current page. Apple does not say why a product leaves the list, and many remain in use.