Resideo by Honeywell 1046858 10-Year Sealed Battery Ionization Smoke Alarm

The Resideo by Honeywell 1046858 (Model SMI110) is a battery-powered ionization smoke alarm featuring a sealed 10-year lithium battery that provides continuous protection without requiring battery replacements for the entire life of the alarm. This smoke detector's dual ionization sensing chamber is more effective at detecting small particles produced by fast-growing fires started with paper sources or kitchen grease.

Key Features:

• 10-year sealed battery for continuous protection with no battery replacements required
• Eliminates low battery chirps for a decade
• Dual ionization smoke sensing chamber with 85 dB horn
• Test/Silence button for one-touch easy access to temporarily silence or test the alarm
• 10-year smoke sensor with end of life signal that provides audible notice when the alarm needs to be replaced
• Red LED blinks to indicate unit is receiving power
• Tamperproof design prevents powercell removal
• Gasketless base for easy installation with new mounting bracket that keeps the alarm secure over a wide rotation range

This smoke alarm conforms to UL 217 8th Edition Standard and is designed for surface mounting. Includes mounting anchors and screws for installation. Direct replacement for the SA350B alarm.