Install the First Alert SM210 10-Year Sealed Battery Smoke Alarm & CO400 Battery-Operated Carbon Monoxide Alarm Safety Value Pack for protection against fire and carbon monoxide (CO). The SM210 Smoke Alarm features First Alert's Precision Detection advanced sensing technology and meets new industry standards. While the CO400 carbon monoxide alarm easily installs and provides reliable CO protection.
Precision Detection technology helps reduce cooking nuisance alarms and provides early warning.
The SM210 Smoke Alarm features First Alert's Precision Detection advanced sensing technology and meets new industry standard to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergencys.
While the CO400 carbon monoxide alarm easily installs and provides reliable CO protection.
10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
Slim profile design is half the depth of a standard alarm
End-of-life warning lets you know when it’s time to replace the alarm
Test/silence button for efficient testing to ensure alarm is working properly
Easy access battery door allows for easy battery replacement
Battery-operated carbon monoxide alarm is easy to install