First Alert hardwired smoke and CO detector with 10-year sealed battery backup
Hardwired smoke and carbon monoxide alarm with 10-year sealed battery backup for continuous monitoring. Single button test/silence and electrochemical CO sensing with intelligent smoke sensing to reduce nuisance alarms
Highlights
- 10-year backup power
- dual sensing (smoke + CO)
- easy installation features
Pros
- 10-year sealed battery backup
- electrochemical CO sensing
- intelligent smoke sensing technology
- single button test/silence
- indicator lights for smoke/CO
Cons
- mixed reviews on battery life
- some reports of loud operation
- possible missing adapter plugs
Best For
Features
- Hardwired smoke and carbon monoxide alarm with 10-year battery backup for continuous monitoring
- Single test/silence button and 85 dB siren for alert signaling
- Electrochemical CO sensor and intelligent smoke sensing to reduce nuisance alarms; mounting bracket with keyhole slots
- Face indicators show presence of smoke or CO; end-of-life chirp signals replacement needs
- 10-year limited warranty and tamper-resistant 10-year lithium battery drawer
