BRK Hard-Wired w/Battery Back-up Ionization Smoke Detector 6 pk

The First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup meets new industry standards by utilizing First Alert's Precision Detection advanced sensing technology to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. This hardwire smoke alarm is easy to install and replace existing alarms with no need to rewire. Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning.