First Alert SMCO200 Battery-Operated 2-In-1 Photoelectric Smoke & Carbon Monoxide Alarm with Slim Profile. Easy to install, the alarm is half the depth of a standard alarm and provides reliable 2-in-1 smoke and carbon monoxide protection. Meets industry standards with First Alert's Precision Detection advanced sensing technology.
Precision Detection advanced sensing technology
Complies with industry standards to reduce cooking nuisance alarms
Provides early warning in the event of a home fire emergency
Provides reliable 2-in-1 protection against both smoke and carbon monoxide Slim profile design is half the depth of a standard alarm
End-of-life warning lets you know when its time to replace the alarm