Firex Smoke Detector, Hardwired with nine-V Battery Backup & Front-Load Battery Door, Smoke Alarm, 4-Pack

The Kidde i4618 is an AC/DC powered, ionization smoke alarm that operates on a 120V power source with 9V battery backup. Contractor box contains 4 alarms, mounting brackets, batteries and wire harness all included. This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms.The front-loading battery door allows user to change the battery without removing the alarm from the mounting bracket making battery replacement easy and convenient. This smoke alarm is available in a 6-piece cut case with tray for easy display as well as a 6-piece bulk pack for contractors and property owners. This unit is a UL Listed product with a 5-year limited warranty. Kidde strongly recommends that both ionization and photoelectric smoke alarms be installed to help insure maximum detection of the various types of fire that can occur within the home.”,”highlights”:[“Smoke alarm operates on a 120V wired powered source”,”9-Volt alkaline battery provides protection during power outages”,”Front battery door allows for easy battery changes”

Alarm Sensor Type:Ionization

Alarm Type:Smoke

Alarm/Detector Features:Battery Back-Up,Hush Feature,Interconnected,Value Pack

Commercial/Residential:Residential

Connector/Contact Type:3-Wire

Fixed or portable:Fixed

Included:Batteries

Pack Size:4

Power Source:Hardwired

Returnable:90-Day

Voltage (V):120

Certifications and Listings:UL Listed

Product Depth (in.):1.8 in

Product Height (in.):5.6 in

Product Width (in.):5.6 in