First Alert Combination Alarm
Best reliable carbon monoxide protection for homeowners seeking continuous safety.
This dual-power alarm provides essential peace of mind by ensuring your home remains monitored even during a blackout. While the plug-in design tethers you to an outlet, the backlit display and reliable electrochemical sensor make it a set-it-and-forget-it safety upgrade for any room.
$44.95
at
Firstalertstore
More Carbon Monoxide Alarm options
Who it's for
- Renters and homeowners wanting simple, wire-free safety
- Families seeking comprehensive protection in a single device
- Busy households needing quick, convenient alarm management
Who should skip it
- Forgetful owners who might neglect routine battery changes
- Large homeowners requiring interconnected alarms for whole-house alerts
- Budget-conscious buyers looking for a permanent, non-expiring solution
Performance breakdown
Detection Accuracy
Advanced electrochemical sensor provides industry-leading precision for carbon monoxide monitoring.
Power Reliability
Dual-power design ensures continuous protection even during unexpected electrical grid failures.
Readability
Backlit digital display makes checking CO levels effortless in any lighting.
Operational Simplicity
Single-button interface streamlines testing and silencing without unnecessary complexity.
Maintenance Awareness
Integrated end-of-life timer removes the guesswork from replacement scheduling.
Alert Effectiveness
Standard 85 dB alarm provides a clear, piercing warning for household safety.
Key Specs
Power Source
120 V AC, Battery Backup
Detection Method
Electrochemical
Display Type
Digital Display
Alarm Type
Audible Alarm
Connectivity Type
None
Mounting Type
Wall Mountable, Stand Mount
Test/Silence Button
Yes
Certification
UL Listed
Warranty Length
7 years
Sound Level
85 dB
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