First-Alert FCD2DDCN Digital Display Carbon Monoxide Alarm The First-Alert FCD2DDCN Alarm remembers the highest level of carbon monoxide detected. That way, even if the air is clear by the time investigators arrive, they can check how much CO was present during an alarm. Features: Digital Display Peak CO Memory Silence Feature Test/Silence Button Alarm Indicator Lights 5-Year Limited Warranty On Alarm Plug-In (Electrical) Powered Color: White Item not avail. Click Search for alternatives... |