The Kidde P12040 is a 120VAC powered photoelectric smoke alarm with 9V batteryback up. This advanced smoke alarm has the ability to function as a stand-alone unit or in an interconnected system. The Kidde P12040 includes a testbutton, quick-connect power harness and offers a 10-year limited warranty.This alarm uses photoelectric sensing technology. Photoelectric sensing alarmsmay detect visible particles (associated with smoldering fires) sooner thanionization alarms. Ionization sensing alarms may detect invisible fireparticles (associated with flaming fires) sooner that photoelectric alarms.Kidde strongly recommends that both ionization and photoelectric smoke alarmsbe installed to help insure maximum detection of the various types of firethat can occur within the home. The Kidde model P12040 is a 120VAC poweredalarm that includes a 9V battery backup to provide continuous protectionduring a power failure and included a quick connect power harness to makeinstallation simple.
