Kidde 0916LL Battery Powered Smoke Alarm with Hush Feature and Long Life Lithium Batteries This item is Kidde 0916LL Battery Powered Smoke Alarm with Hush Feature and Long Life Lithium Batteries Used for Security & Safety, Personal Protective Equipment The produt is manufactured in China 10 Year warranted Lithium power cell Deactivation feature where the lithium cells can be deactivated after the 10 year life-time for safe disposal Easily adjustable mounting plate which is simple for the installer to attach the plate to a wall or ceiling A red hush button which easily is easily identified to temporarily silence a nuisance alarm Ionization technology which is quicker at detection fast-flaming fires