First Alert SMCO100 Combination Smoke & Carbon Monoxide Alarm

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

Battery-operated alarm allows for easy installation and maintenance

Test/silence button for efficient testing to ensure alarm is working properly

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

First Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, White