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

Good Condition

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

Next bid: $1.50

MSRP: $109.9999% off

Ended May 16 at 08:09 PM ET

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Competition Level

Average Price

$5.69

Min Price

$1.00

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

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

Dayton - Edwin C. Moses Blvd.

$1.00

Final price

Ended May 16, 2026

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$2.00

Final price

Ended Apr 13, 2026

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

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$3.50

Final price

Ended Feb 14, 2026

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

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$20.50

Final price

Ended Oct 01, 2025

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

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 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 precision detection smi105-ac 3-pack

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

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