P12040 is a 120VAC powered photoelectric smoke alarm with 9V battery back up. This advanced smoke alarm has the ability to function as a stand-alone unit or in an interconnected system.
Firex 4480 Photoelectric Smoke Alarm Detector, 120V AC Direct Wire
Kidde 21006371 p12040 Hardwire With Battery Backup Photoelectric
Kidde Fire Systems i5000 Detector Specifications
Kidde i12010SCO - - Smoke and Carbon Monoxide Alarm with Battery
Kidde Brand Life & Safety Products
Kidde P12040 Smoke Alarm User Guide
Kidde P12040 120V AC/DC Interconnect Photoelectric Smoke Alarm
21006371 - Kidde 21006371 - P12040 Hard-Wired Interconnect
Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup
Kidde Firex Photoelectric Hardwired Smoke Alarm With Battery Back
Kidde Fire Systems Fire Detectors, Smoke Detectors
Kidde - Photoelectric Smoke Alarm - 408 21006371 - 120VAC – Blue
Smoke Alarms
Kidde P12040 Interconnect Photoelectric Smoke Alarm - 21006371