First Alert SMICO110 2-in-1 10-Year Battery Ionization Smoke & Carbon Monoxide Alarm

First Alert SMICO110 10-Year Battery 2-In-1 Ionization Smoke and Carbon Monoxide Alarm. This combo smoke and CO detector meets the latest industry standards, is easy to install and doesn't require battery replacements for a decade.

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