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

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The First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup meets new industry standards utilizing First Alert's Precision Detection advance sensing technology. This hardwire smoke alarm is easy to install and replace existing alarms with no need to rewire. Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning.

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Next bid: $1.00

MSRP: $20.09No bids

Ended Apr 19 at 10:20 AM ET

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Average Price

$0.46

Min Price

$0.00

Max Price

$1.50

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Recently Sold

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

LaVergne - Industrial Blvd Ste D

$0.00

Final price

Ended Jun 18, 2026

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

LaVergne - Industrial Blvd Ste D

$0.00

Final price

Ended Jun 18, 2026

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

LaVergne - Industrial Blvd Ste D

$0.00

Final price

Ended Jun 18, 2026

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

LaVergne - Industrial Blvd Ste D

$1.00

Final price

Ended Jun 18, 2026

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

LaVergne - Industrial Blvd Ste D

$0.00

Final price

Ended Jun 18, 2026

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

Elizabethtown - Peterson Drive

$0.00

Final price

Ended Jun 13, 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 13, 2026

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

Georgetown - Triport Road

$1.00

Final price

Ended Jun 10, 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.

$0.00

Final price

Ended Jun 07, 2026

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

Price Analysis

Other Active Listings

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack 1-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, 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

First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 3-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 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 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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