120V Hardwired Smoke Alarm with Battery Back-Up

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Wire-in, 120V AC 60 Hz single or multiple station smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, mo tels, dormitories and other multi-family dwellings as defined in standard NFPA 101 Complies with CAN/ULC S531 Meets building codes where AC and AC/DC with Silence smoke alarms are required Alarms are interconnectable with up to 18 devices, of which 12 can be smoke alarms Features a dual ionization smoke sensing chamber screened for insect protection, an 85dB horn, and a ""silence"" feature The ""Smart Technology"" system is designed to reduce nuisance alarms Features a gasketless base and a mounting bracket that keeps the alarm secure over a wide rotation range to allow for true alignment Interconnection Capability Up to 18 Units Power Source Hardwired Sensor Type Ionization Show more