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
وصف
First Alert 10 Year Back Up Hard-Wired w/Battery Back-Up Ionization Smoke and Carbon Monoxide Detect