First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm Fans Over-the-counter lip helps prevent board

Over-the-counter lip helps prevent board from slipping

speaker-connecting cable

track controls and power button

precise results

First Alert SMCO100 Battery-Operated 2-in-1 Smoke and CO Alarm Fans Over-the-counter lip helps prevent boardThe First Alert SMCO100 Battery Operated 2 in1 Combination Smoke and Carbon Monoxide Alarm provides protection against both threats in a single alarm. Installation of the battery operated detector is simple no wiring is required. Add fire and CO protection throughout your home in minutes and help prevent unwanted removal of the battery or alarm using the optional locking features. Easily test the battery operated combination detector using the single