First Alert BRK SMICO100-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 1-Pack
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning
Battery backup provides continuous protection during power outages
Perfect mount bracket keeps the alarm secure over a wide rotation range for ideal alignment and easy installation
Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning