Kidde Sealed Lithium Battery DC Smoke Alarm (Ionization)

Unit features a 10-year sealed lithium battery and automatically activates when attached to its mounting bracket. It also comes standard with an Alarm Memory, Smart Hush?, and end-of-life warning. Alarm uses ionization technology for excellent fast-flaming fire detection. UL listed.
NOTE: Cannot ship to AK, HI, PR, or Catalina.