First Alert SMI110 Battery Powered Ionization Smoke Alarm, 4/Pack (KITFAT1046856)

The First Alert SMI110 10-Year Sealed Battery Smoke Alarm provides reliable protection and meets new industry standards. First Alert's Precision Detection advanced sensing technology helps reduce cooking nuisance alarms and provides an early warning. The 10-year sealed battery makes installation of the alarm easy, and no battery replacements are needed for the life of the alarm. You’ll have peace of mind knowing you've installed reliable protection for a decade and superior safety features. Plus, no more low battery chirps. Battery-operated smoke alarm can easily be mounted on a wall or ceiling throughout your home to help provide an early warning to a fire emergency. The single test/silence button helps make testing the alarm simple and the end-of-life warning will let you know when it’s time to replace the alarm all together. See user’s manual for information on how and when to test and replace alarms. You can even prevent unauthorized removal of the alarm using the optional locking feature.