First Alert Carbon Monoxide Alarm, 9V Battery Operated, Electrochemical Sensor,Carbon Monoxide Alarm

Basic 9V Battery Operated Carbon Monoxide Alarm Meets Most Codes, Both State And Local, For Carbon Monoxide Alarms. Electrochemical Carbon Monoxide Sensor - The Most Accurate Sensor Available As Compared To Other Sensing Technologies End Of Life Signal Provides Audible Notification Alarms Needs To Be Replaced Single Button Test/Silence Two Silence Features - Can Silence The Low-Battery Chirp For Up To Eight Hours Or Temporarily Silence An Unwanted Nuisance Alarm 7-Years Limited Warranty

First Alert Carbon Monoxide Alarm, 9V Battery Operated, Electrochemical Sensor,Carbon Monoxide Alarm Operates on 2 AA batteries for reliable power Meets most state and local codes for carbon monoxide alarms Features an electrochemical carbon monoxide sensor for accurate detection End of life signal provides audible notification when replacement is needed Single button test/silence for easy operation Two silence features to manage low-battery chirp and nuisance alarms