First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector

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10-year sealed lithium power cell, so you don't have to replace the battery for the life of the alarm
Escape light activates when alarm sounds, helping to light a path to safety
Photoelectric smoke sensing technology for less nuisance alarms

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Nuisance free and hassle free, slim style smoke alarm. It's protection at its finest. This alarm adds an element of style to safety. Half the size of the standard alarm with all the protection needed to keep what matters most safe and secure. Alarm includes a 10 year battery to cut down on hassle and costly battery replacements. The bright LED escape light helps to light your path to safety.

10-year sealed lithium power cell, so you don't have to replace the battery for the life of the alarm
Escape light activates when alarm sounds, helping to light a path to safety
Photoelectric smoke sensing technology for less nuisance alarms
Half the depth of a standard alarm, so it blends into your home decor
Single button test/silence to ensure your alarm is working properly
Meets 10-year alarm codes where required
10-year limited warranty
End of life signal alerts you when alarm needs to be replaced