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

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.

$1.00

MSRP: $33.3897% off

Price Analysis

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Competition Level

Average Price

$1.47

Min Price

$0.00

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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$3.50

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Recently Sold

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

Louisville - Intermodal Dr.

$0.00

Final price

Ended Jun 07, 2026

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

Louisville - Intermodal Dr.

$0.00

Final price

Ended Jun 07, 2026

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

Louisville - Intermodal Dr.

$1.00

Final price

Ended Jun 07, 2026

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

Louisville - Intermodal Dr.

$1.00

Final price

Ended Jun 06, 2026

first alert smi100-ac, hardwire interconnect smoke alarm with battery backup, 3-pack

Louisville - Intermodal Dr.

$1.50

Final price

Ended Jun 06, 2026

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

Louisville - Intermodal Dr.

$1.50

Final price

Ended Jun 06, 2026

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

Elizabethtown - Peterson Drive

$0.00

Final price

Ended Jun 03, 2026

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

Louisville - Intermodal Dr.

$0.00

Final price

Ended Jun 03, 2026

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

Elizabethtown - Peterson Drive

$1.00

Final price

Ended Jun 02, 2026

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

Louisville - Intermodal Dr.

$1.00

Final price

Ended Jun 02, 2026

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 SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 6-Pack 6-Pack Precision Detection SMI100-AC

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

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

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

Recently Sold

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

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

first alert smi100-ac, hardwire interconnect smoke alarm with battery backup, 3-pack

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

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