The First Alert SA350B is a smoke alarm with a 10year lithium battery. It 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 10years, simply replace the First Alert smoke alarm and you’re good to go. This First Alert 10year 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 10year lithium battery and is UL listed.
– Part No.: SA350B
– Battery Type: Sealed-In Lithium
– Depth: 2 in.
– Diameter: 5.6 in.