Kidde Battery Operated Carbon Monoxide Alarms Model 9CO5-LP
Battery Lockout System deters covering battery compartment without installation of batteriesBattery operated design (3AA included) provides protection during power outagesGreen LED operating indicatorIncludes a quick-reference guide for what to do in case of alarmLow battery indicatorRed LED pulse and sound alarm when dangerous levels of CO are detectedSlide-out door cover gives immediate access to batteries