First Alert Hardwire Smoke Alarm | SMI100-AC, 9V Battery Backup

$19.4935% off

List price ~~$29.99~~

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Size: 1-Pack

Price checked Oct 19, 2026, 7:19 AM PDT

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Product details

ASIN: B0CJMN3443
GTIN / UPC: 029054022462
Brand: First Alert
Category: Tools & home improvement
Availability: Check availability on Amazon
Last checked: today

Specifications

Size: 1-Pack
Color: White
Model: SMI100-AC
Part number: SMI100-AC
Manufacturer: Resideo
Dimensions: 5.6 × 5.6 × 1.9 in
Weight: 9.6 oz

About this item

First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
Through early warning interconnect, when one alarm sounds, all compatible alarms will sound
Battery backup provides continuous protection during power outages
Alarm indicator visually identifies the unit that initiated the alarm
Quick Connect Plug included allows for easy installation with no need to rewire

First Alert Hardwire Smoke Alarm | SMI100-AC, 9V Battery Backup

Product details

Specifications

About this item

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