Kidde Ac Hardwired Ionization Sensor

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AC wire-in, radio-frequency wireless, interconnect smoke alarm provides the solution of retro-fitting a home with an interconnected system without messy and costly re-wiring
AC power with battery backup - Enables homeowners to expand a current interconnected system
Smart-touch button - 1-touch quickly and temporarily silences nuisance alarms activated by any alarm in the system; will hush a low-battery chirp for up to 12 hours; will test the operation of the alarm and interconnected system

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AC wire-in, radio-frequency wireless, interconnect smoke alarm provides the solution of retro-fitting a home with an interconnected system without messy and costly re-wiring
AC power with battery backup - Enables homeowners to expand a current interconnected system
Smart-touch button - 1-touch quickly and temporarily silences nuisance alarms activated by any alarm in the system; will hush a low-battery chirp for up to 12 hours; will test the operation of the alarm and interconnected system
Wireless technology - uses radio frequency to both transmit and receive messages about a hazard in the home; when 1 alarm sounds, all will sound
This model also allows a home with a 2-wire circuit to have interconnected smoke alarms in areas where hardwired interconnected smoke alarms are required by local codes
Alarm memory and initiating-alarm indicator LEDs
9-volt backup battery (included) for protection during brief power outages
UL-listed

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