The USI Electric USI-1122L Battery Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires. It's operated by a 10 year lithium battery that never needs replacing and is suitable for apartments, houses and dorms.
Meets all new building codes requiring 10 Year lithium battery life warranty
Silencer feature - convenient silencer button with automatic reset allows you to temporarily override alarm
Flashing power LED indicator for extra assurance
Audible low battery indicator
Fast and easy installation
Separate large size mounting plate attaches to any standard rectangular or octagon junction box - for easy installation and coverage of drywall cutouts.
Mounting hardware included
Alarm/power test button
Tamper Resistant Locking Feature
Loud 85 decibel horn
Ten Year Limited Warranty and 10 Year Battery Life Warranty