First Alert Carbon Monoxide Alarm CO250
Compact battery-operated carbon monoxide detector with electrochemical sensor and dual silence features. Customers note easy installation and immediate functionality
Highlights
- electrochemical sensor accuracy
- end-of-life chirping signal
- two silence features
Pros
- electrochemical CO sensor technology
- dual silence features for alarm and low-battery chirp
- easy installation and mounting
Cons
- mixed opinions on size
Best For
Features
- Electrochemical CO sensor for accurate carbon monoxide detection
- 9-volt battery power with included mounting hardware
- Two silence features to mute alarm and low-battery chirp
- End-of-life chirp indication for replacement timing
- Compact, easy-to-install design suited for quick job-site turnarounds
