First Alert/Onelink Smoke & CO Alarm – AC Power
- Combination smoke detector/carbon monoxide alarm detects two threats
- HomeKit-enabled to send notifications to your Apple device (requires iOS 9.0 or later)
- Hardwired design can replace most 120-volt AC hardwired alarms with no rewiring
- 10-year sealed battery helps ensure consistent protection with no need to replace battery
- Multiple alarms can communicate via Bluetooth and announce audibly where and what the threat is
