First Alert SMCO200 2-In-1 Battery Operated Photoelectric Smoke & Carbon Monoxide Alarm

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.

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