First Alert CO400 Battery Operated Carbon Monoxide Detector (6-Pack) White
Battery-powered carbon monoxide alarms with an electrochemical sensor. Provides continuous monitoring and an 85-decibel alarm; easy to install. Customers note reliable performance and easy setup, with some concerns about battery longevity
Highlights
- 6-pack for multi-room safety
- electrochemical sensor accuracy
- battery operation during power failures
Pros
- battery-powered for continuous monitoring
- electrochemical CO sensor
- easy to install
- includes mounting hardware
- loud 85-decibel alarm
Cons
- mixed reviews on battery life
- some units have dead batteries on arrival
Best For
Features
- Six-pack of battery-operated carbon monoxide alarms for home use
- Programmable continuous CO monitoring powered by independent batteries
- Advanced electrochemical CO sensor for accurate detection
- Loud 85-decibel alarm sounds at dangerous CO levels
- Place on every level and in bedrooms to ensure coverage
