First Alert Battery Powered Carbon Monoxide Alarm, 2-Pack, CO400CN2

It includes an optional wall mount with no outlet required. First Alert Battery Powered Carbon Monoxide Alarm: Uses an electrochemical carbon monoxide sensor Permanent sensor lasts up to 5 years Powered by 2 AA replaceable alkaline batteries Test/silence button both silences the alarm and allows you to test its functionality Monitors and re-alarms if carbon monoxide levels persist Features a loud 85-decibel horn No installation is required Attractive design allows the unit to be place Includes an optional wall mount with no outlet required Audible and visual low battery signal alerts you to replace the battery Pull down action chart has convenient guide on what to do if an alarm sounds UL listed 5-year limited warranty Model# CO400CN2 The permanent sensor lasts up to five years. The unit monitors and re-alarms if carbon monoxide levels persist sounding a loud 85-decibel horn. No installation is required and the attractive design allows the unit to be placed anywhere you need it. An audible and visual low battery signal alerts you to replace the battery and a pull down action chart has convenient guide on what to do if an alarm sounds. The First Alert Battery Powered Carbon Monoxide Alarm uses an electrochemical carbon monoxide sensor, the most accurate technology available. The test/silence button both silences the alarm and allows you to test its functionality. This unit is powered by two AA replaceable alkaline batteries and offers you peace of mind even during power outages.