Firex Smoke Alarm Kidde i4618

Smoke Detectors & Fire Alarms by Kidde. Details:The Firex i4618AC Hardwire Smoke Alarm by Kidde is an ionization smoke alarm that operates on a 120V power source with 9V battery backup. The Firex i4618AC smoke alarm offers many benefits for installers and homeowners, such as its easy-access slide load front battery door.