Kidde AC/DC Hardwire Smoke Alarm (Ion) (i12040) The Kidde i12040A is an AC/DC powered, ionization smoke alarm that operates on a 120V power source with 9V battery backup. This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with... $97.00 Add to Cart
120V Battery Back-up Ion Smoke Alarm The LOW-PROFILE IONIZATION SMOKE ALARM, from Kidde, has a sleek design that protrudes just half an inch from the ceiling. The ionization feature works by detecting changes in voltage that are caused when small particles from flame producing fires enter... $186.00