National Brand Alternative 129417 Smoke Alarm 120V W-9V Back-Up Sentinel

This unit is an AC/DC powered, ionization smoke alarm that operates on 120V power source. This alarm uses ionization sensing technology that may detect invisible particles (associated with flaming fires) sooner than photoelectric alarms. Photoelectric sensing alarms may detect visible particles (associated with smoldering fires) sooner than ionization alarms. This unit includes a quick connect wiring harness for easy installation, is available in 6 piece cut case with tray for easy display, UL listed and has a 10-year limited . 9V Battery back-up.- SKU: HMREX6561

Front battery pull tab allows battery activation without removing alarm from mounting bracket Tamper resist locking feature deters alarm theft Battery backup provides protection in case of power failure Interconnect able with up to 24 devices (of which 18 can be initiating) including smoke, CO and heat alarms; see users guide for complete instructions Smoke detectors utilize an ionization sensor to detect fire hazards and sound an 85 db alarm when a hazard is detected