First Alert 120V 10-Year Photoelectric Talking Smoke & CO Alarm

First Alert 10-Year Hardwired Photoelectric / CO Combination alarm with voice.

Features:
10 year CO Sensor / 10year end of life.
Voice alarm with programmable loction. Programmable with up to eleven locations
Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwnted nuisance alarm
Optipath 360 Technology - patented technology provides 360 degrees of direct access to the smoke sensor
Perfect mount - allows for easy alignment of alarm
Spread Spectrum Horn Tone - lower and varying frequency makes it easier for the elderly with normal age related hearing loss to hear the horn
Latching Features: Alarm Latch- remembers which unit iniaited an alarm. Low Battery Latch: Visually identifies unit in low battery condition.
Dust cover
Easy Installation/Maintenance - Preferred features include a large opening in the mounting bracket for easy access to wiring. Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation. A battery pull tab keeps the battery fresh until the home is occupied. Battery installation and removal can occur while the unit is mounted to the ceiling or wall via the side load battery compartment. Two locking features are provided to prevent battery theft and/or theft of the unit. Connection to AC power is made with a "Quick-Connect" wiring harness. Installation is quick, easy and cost effective.
End of Life SIgnal provides audible notification alarms need to be replaced.
Single button test/silence
10 year limited warranty.