First Alert Smoke and Carbon Monoxide Alarm 10 Year Battery Slim Profile 1039868
First Alert Smoke and Carbon Monoxide Alarm features a slim profile design that is half the depth of a standard alarm. This unit is powered by a 10-year lithium powercell, eliminating the need for battery replacements and preventing low battery chirps for the life of the device. It utilizes a patented smoke entry system to reduce false alarms and provides dual protection against both fire and CO hazards. The compact, white circular design blends seamlessly into ceilings or walls while providing reliable home safety monitoring.