Features & Benefits
- Detects dangerous carbon monoxide for up to 10 years.
- Uses the most accurate electrochemical CO detection technology.
- No battery changes needed due to built-in 10-year lithium battery.
- Stylish design with backlit digital display for easy reading.
- Loud 85-decibel alarm alerts you to dangerous CO levels.
- Trusted First Alert brand, a leader in home safety since 1958.