Kidde Smoke Detector, Hardwired with Battery Backup

The Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included, model P12040, is an AC/DC powered, photoelectric smoke alarm. The hardwired smoke detector operates on a 120V power source with a 9-volt alkaline battery backup (battery included) so the fire alarm keeps working in the event of a power failure. Using photoelectric sensing technology, the wired smoke alarm detects visible fire particles (associated with smoldering fires) sooner than ionization alarms; Kidde strongly recommends installing both photoelectric and ionization alarms to ensure maximum detection of the various types of fire that can occur within the home. Install one Kidde smoke detector on every level of your home, outside each sleeping area, and inside every bedroom. Two LED lights indicate the smoke alarm's status. A red LED indicates the mode of operation: Standby Mode – flashes every 40 seconds to indicate the smoke alarm is operating properly, and Alarm Mode – flashes once each second to indicate that the smoke alarm senses products of combustion. A green LED indicates that the smoke detector has AC power. The Test/Hush button can be used to test the u¬¬nit's circuitry and battery function, while pressing the button when the alarm is sounding silences it for approximately 7 minutes during nuisance alarms. The Kidde hardwired smoke detector can be interconnected with other Kidde alarms to alert you and your family quickly in an emergency. A maximum of 24 Kidde devices can be interconnected in a multiple station arrangement but cannot exceed the NFPA (National Fire Protection Association) limit of 18 initiation devices, of which 12 can be smoke alarms. With 18 initiating devices (smoke, heat, CO, etc.), interconnected, it is still possible to interconnect 6 strobe lights and or relay modules. UL Certified with a 10-year limited warranty. Meets requirements of UL217, NFPA72, The State of California Fire

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