First Alert SM210, 10-Year Sealed Battery Smoke Alarm with Slim Profile Design, 1-Pack

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.
• 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
• Slim profile design is half the depth of a standard alarm
• End-of-life warning lets you know when it’s time to replace the alarm
• Test/silence button for efficient testing to ensure alarm is working properly