The First Alert SMICO100 Battery-Operated Combination Smoke and Carbon Monoxide Alarm is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.

Product Features:

• 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
• 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
• Battery-operated alarm allows for easy installation and maintenance