The First Alert SMCO210 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design uses First Alert’s Precision Detection advanced sensing technology and meets new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. This 2-in-1 alarm provides convenient protection against both fire and carbon monoxide (CO). Also equipped with a 10-year sealed battery to eliminate the need for battery replacements and low battery chirps.

Product Features:

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