First Alert Battery Combination Smoke & Carbon Monoxide Alarm

Price: $42.99
(as of Oct 07, 2026 01:07:02 UTC – Details)


The First Alert BRK SMCO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm is equipped with First Alert’s Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.
First Alert BRK Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning
Battery-operated alarm is easy to install and maintain
Test/Silence button allows for efficient testing and temporarily silences alarm for up to 8 hours
Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery