First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 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
- Voice & location alerts tell you what the danger is and its location to help you escape safely
- Through early warning interconnect, when one alarm sounds, all compatible alarms* will sound
- Battery backup provides continuous protection during power outages
- Quick Connect Plug allows for easy installation with no need to rewire