The First Alert SMI110 is a smoke alarm with a sealed 10-year battery: mount it, press test, and leave it alone - no battery replacements and no low-battery chirps for the life of the alarm. Precision Detection advanced sensing technology meets current industry standards and helps reduce nuisance alarms from cooking.

• Precision Detection advanced sensing technology complies with industry standards, reduces cooking nuisance alarms and provides early warning in a home fire
• 10-year sealed battery eliminates battery replacements and low-battery chirps for the life of the alarm
• End-of-life warning tells you when it is time to replace the alarm
• Test/silence button for efficient testing to ensure the alarm is working properly
• Color: White

Note: Replace the alarm at the end of its 10-year life. Install per local fire codes.