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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
it's patented
with up-to 50% more holding capacity versus leading competitors
Great for residential or commercial applications
energy efficiency
A water-based
First Alert 1046848 Smoke Alarm, Ionization Sensor, 85 dB, Alarm: Audible, Visual, White sanding it's patentedThe First Alert SMI105 AC interconnect hardwire smoke alarm with 10 years battery backup uses First Alert's precision detection advanced sensing technology and meets 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.
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