The Kidde i4618 FireX Ionization smoke alarm is a 120V AC/DC alarm with a 9V backup battery. It's compatible for both single and multiple stations, with the 15-minute false alarm control element that will silence an alarm, if needed. This ionization smoke alarm also includes a front-sliding door for a 9V battery, test switch, dual-purpose LED indicator, and an 85-decibel horn.
