First Alert Sc9120b Combination Wire-in Single/multiple Station Smoke And Co Detector 120v Ac - SC9120B

Features a dual ionization smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn and a œsilence feature. œIntelligent Sensing Technology system is designed to reduce nuisance alarms. œLatching 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 œlatch the information and begin to flash the LED indicator 2 seconds on, 2 seconds off. The œPerfect 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 œQuick-Connect wiring harness. Installation is quick, easy and cost effective.

Wire-in, 120V AC 60Hz single and/or multiple station smoke and CO alarm
Specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings
Complies with UL217, UL2034, CSFM, NFPA 72, NFPA 720, HUD, FHA and other agencies
Meets building codes where AC/DC with Silence smoke and CO alarms are required either separately or in combination
Alarms are interconnectable with up to 18 devices, of which 12 can be smoke alarms