- 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
- 10-Year battery backup provides continuous protection during power outages
- Through early warning interconnect, when one alarm sounds, all compatible* alarms will sound
- Quick Connect Plug allows for easy installation with no need to rewire
- Alarm indicator visually identifies the unit that initiated the alarm
First Alert 10 Year Back Up Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detect
