BRK SMI110 Ionization Smoke Alarm with 10-Year Battery Back Up (Model 1046857)

Experience maintenance-free, reliable fire protection with this ionization smoke alarm. Powered by a sealed lithium battery that lasts the full 10-year life of the alarm, it eliminates the need for battery replacements. The built-in ionization sensor provides rapid response to flaming fires, helping ensure your home or business stays safe around the clock.

Compact and easy to install on ceilings or walls, this alarm features a convenient test/hush button to silence nuisance alerts and an end-of-life signal that lets you know when it’s time for a replacement. Designed to meet rigorous safety standards, it’s the hassle-free solution for dependable early warning.

Key Features

• 10-year sealed lithium battery—no replacements needed
• Ionization sensing technology for swift detection of fast-flaming fires
• Loud 85 dB alarm meets UL 217 requirements
• Test/hush button for silencing nuisance alerts
• End-of-life signal alerts you when to replace the unit
• Low-profile, compact design for ceiling or wall mounting