First Alert 2-in-1 Smoke & Carbon Monoxide Alarm
Overbought 2 First Alert 2-in-1 Smoke & Carbon Monoxide Alarm
3 PACK First Alert SMICO100, Battery-Operated Combination Smoke&Carbon Monoxide
Alarm Smoke and CO Alarm. Battery-operated alarm allows for easy installation and maintenance. Test/silence button for efficient testing to ensure alarm is working properly. Power Source Battery Powered.