first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-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.

$2.00

Next bid: $2.50

MSRP: $109.9998% off

Ends Jun 18 at 07:24 PM ET

Price Analysis

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Competition Level

Average Price

$4.59

Min Price

$0.00

Max Price

$20.50

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Recently Sold

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Louisville - Intermodal Dr.

$1.00

Final price

Ended Jun 14, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

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$17.00

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Ended Jun 12, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Louisville - Intermodal Dr.

$2.00

Final price

Ended Jun 06, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Louisville - Intermodal Dr.

$2.00

Final price

Ended Jun 06, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Louisville - Intermodal Dr.

$3.50

Final price

Ended Jun 06, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Louisville - Intermodal Dr.

$2.50

Final price

Ended Jun 06, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Elizabethtown - Peterson Drive

$0.00

Final price

Ended Jun 03, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Dayton - Edwin C. Moses Blvd.

$10.81

Final price

Ended May 17, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Dayton - Edwin C. Moses Blvd.

$1.00

Final price

Ended May 17, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Dayton - Edwin C. Moses Blvd.

$1.00

Final price

Ended May 17, 2026

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Price Analysis

Other Active Listings

First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack 3-Pack Precision Detection SMI100-AC

First Alert Smoke Alarm, Interconnect Hardwire Detector with Battery Backup, SMI100-AC, 3-Pack 3-Pack Precision Detection SMI100-AC

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

Recently Sold

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

first alert smoke alarm, interconnect hardwire detector with 10-year battery backup, smi105-ac, 3-pack

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