First Alert corded combo alarm with 10-year backup
Corded smoke and carbon monoxide alarm with 10-year battery backup and adapter plugs for easy replacement. Positive feedback on ease of installation and replacement compatibility, with notes on long-term reliability concerns
Highlights
- adapter plugs for replacement
- 10-year backup battery
- electrochemical CO sensing with smart smoke sensing
Pros
- adapter plugs included for easy replacement
- 10-year battery backup
- combination smoke and carbon monoxide detector
Cons
- some reports of dead batteries before 10 years
- mixed feedback on durability
- some units missing adapter plugs
Best For
Features
- Corded hardwired alarm with adapter plugs for easy replacement without rewiring
- 10-year battery backup provides continuous monitoring through power outages
- Combination smoke and carbon monoxide detector uses electrochemical sensing and intelligent smoke detection
- Indicator lights show presence of smoke or carbon monoxide and 85-decibel siren alerts
- Simple to use with clear, reliable operation
