First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack

• First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.

• Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm

• 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm

• End-of-life warning lets you know when it’s time to replace the alarm

• Slim profile design is half the depth of a standard alarm