Works with SC5 Smart Alarm

The First Alert® SM100V-AC Interconnect Hardwire Smoke Alarm with Battery Backup and Voice and Location Alerts meets the latest industry standards and is equipped with First Alert's Precision Detection advanced sensing technology. Battery backup provides protection during power outages and superior features to help provide an early warning and guide your escape to safety.

• First Alert's Precision Detection advanced sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
• Through early warning interconnect, when one alarm sounds, all compatible* alarms will sound
• Voice and location alerts tell you the location of danger to help you escape safely
• Battery backup provides continuous protection during power outages
• Test/silence button for efficient testing to ensure detector is working properly
• End-of-life warning lets you know when it's time to replace the alarm