First Alert 1046848 Smoke Alarm, Ionization Sensor, 85 dB, Alarm: Audible, Visual, White

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About This Product The First Alert SMI105-AC interconnect hardwire smoke alarm with 10 years battery backup uses First Alert's precision detection advanced sensing technology and m eets new industry standards. Interconnect multiple alarms together to help provide an early warning throughout your whole home and have peace of mind knowing the 10 years battery backup provides continuous protection in the event of a power outage. Highlights 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 years battery backup provides continuous protection during power outages Through early warning interconnect, when one alarm sounds, all compatible alarms will sound Alarm indicator visually identifies the unit that initiated the alarm End of life warning lets you know when it's time to replace the alarm (SMOKE ALARM W/10YR BATT B - 8495277 - 1046848) Show more