first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack precision detection smi105-ac 1-pack

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The First Alert SMI105-AC Interconnect Hardwire Smoke Alarm with 10-Year 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-year battery backup provides continuous protection in the event of a power outage.

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MSRP: $30.61No bids

Ended May 05 at 05:04 PM ET

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Average Price

$4.01

Min Price

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Max Price

$20.56

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack precision detection smi105-ac 1-pack

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

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$0.00

Final price

Ended May 16, 2026

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

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$0.00

Final price

Ended May 16, 2026

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

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$1.00

Final price

Ended May 16, 2026

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

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$1.50

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 2-pack

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$1.00

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Final price

Ended Apr 26, 2026

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack precision detection smi105-ac 1-pack

Price Analysis

Other Active Listings

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack Precision Detection SMI105-AC 1-Pack

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack precision detection smi105-ac 1-pack

first alert smi100-ac, hardwire interconnect smoke alarm with battery backup, 1-pack

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack

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first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 2-pack

first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack precision detection smi105-ac 1-pack

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