The First Alert SA350B is a smoke alarm with a 10-year lithium battery. Featuring an ionization smoke sensing chamber which may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. The SA350B also features a test/silent button and provides dependable protection for you and your family for up to 10 years, all without the need to change the batteries. After 10 years, simply replace the First Alert smoke alarm and you're good to go.
This First Alert SA350B Smoke Alarm is perfect for a variety of living spaces, including hotels, apartments, and especially homes that have high ceilings where replacing batteries is difficult. It has been designed to be resistant to tampering and is easy to silence. Of course, it comes standard with its highly reliable 10-year lithium battery and is UL listed.
All BRK First Alert Electronics smoke alarms meet UL 217 standard and are listed with the California State Fire Marshal. They use the new UL mandated repeating 85-decibel alarm horn pattern. 10-year limited warranty. For a full list of states and cities requiring 10 Year alarms click here.