first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
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MSRP: $39.99
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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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Average Price
$3.45
Min Price
$0.00
Max Price
$13.00
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Current bidRecently Sold
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Cincinnati - School Road$0.00
Final priceEnded Aug 11, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Florence - Industrial Road$0.00
Final priceEnded Aug 11, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Florence - Industrial Road$0.00
Final priceEnded Aug 11, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Florence - Industrial Road$0.00
Final priceEnded Aug 11, 2026
first alert smi100-ac, hardwire interconnect smoke alarm with battery backup, 1-pack
Cincinnati - School Road$0.00
Final priceEnded Aug 10, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Amelia - Ohio Pike$0.00
Final priceEnded Aug 10, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Amelia - Ohio Pike$0.00
Final priceEnded Aug 10, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Amelia - Ohio Pike$0.00
Final priceEnded Aug 10, 2026
first alert smi105-ac, interconnect hardwire smoke alarm with 10-year battery backup, 1-pack
Cincinnati - School Road$0.00
Final priceEnded Aug 10, 2026
first alert smi100-ac, hardwire interconnect smoke alarm with battery backup, 1-pack
Cincinnati - School Road$0.00
Final priceEnded Aug 10, 2026
Compare with Amazon
View on Amazon →
MSRP: $39.99