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.

Features:

Smoke detector with built-in 10-year 3-volt lithium power cell

Ionization sensor for efficient smoke detection

Tamperproof design prevents batteries from being removed

Includes smoke alarm status LED indicator, end-of-life signal, and test/silence button

Complies with current 10-year legislation in states/cities where required

Specifications:

Product Type: Smoke Alarms

Vendor: BRK

Warranty: 10 year limited Manufacturer