BRK SMICO100-AC Interconnectable Ion Smoke & CO Alarm w/Battery Backup, SC9120B
BRK First Alert SMICO100-AC Interconnectable Ion Smoke & CO Alarm w/Battery Backup. Smart Interconnect, interconnects with most First Alert and BRK hardwired alarms. When one alarm sounds, all compatible alarms sound (up to 12 smoke alarms and 6 other CO/heat alarms).