First Alert Wire-in Single/Multiple Station Detector 120V Ac, Smoke, 9120B

First Alert Wire-In Single/Multiple Station Detector 120V Ac, Smoke, 9120B. The Smart Technology system is designed to reduce nuisance alarms. Latching Alarm Indication remembers which unit initiated an alarm. When interconnected in a series the unit that triggered the alarm rapidly flashes its red LED indicator. After the alarm condition subsides the initiating unit will store in memory or latch the information and begin to flash the LED indicator 2 seconds on 2 seconds off. The Perfect Mount system features a gasketless base and a mounting bracket that keeps the alarm secure over a wide rotation range to allow for true alignment. Other Contractor Preferred features include a dust cover to keep alarm clean during construction keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation. Two locking features are provided to prevent battery theft and/or theft of the unit. Connection to AC power is made with a QuickConnect wiring harness. Installation is quick easy and cost effective. Features of First Alert Wire-In Single/Multiple Station Detector 120V Ac Wire-in 120V AC 60Hz single and/or multiple station smoke alarm Specifically designed for residential and institutional applications including sleeping rooms of hospitals hotels motels dormitories and other multi-family dwellings Complies with UL217 CSFM NFPA 72 HUD FHA and other agencies Meets building codes where AC/DC with Silence smoke alarms are required Alarms are interconnectable with up to 18 devices of which 12 can be smoke alarms Package Contents: First Alert Wire-In Single/Multiple Station Detector 120V Ac First Alert 9120B: Wire-In Single/Multiple Station Detector 120V Ac Smoke.