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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup
$21.90 reg $22.99
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About this item
Highlights
- 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
Description
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.
Dimensions (Overall): 5.69 inches (H) x 5.59 inches (W) x 2.25 inches (D)
Weight: 1 pounds
Requires Hardwired Installation: Yes
Package Quantity: 1
Battery: 1 9-Volt Alkaline, Required, Included
TCIN: 93620392
UPC: 029054022462
Origin: imported
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Shipping details
Estimated ship dimensions: 6 inches length x 2 inches width x 6 inches height
Estimated ship weight: 1 pounds
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii
item ships from third party seller: Source direct
Return details
This item can be returned to any Target store or Target.com.
This item must be returned within 30 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
See the return policy for complete information.
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5.0 out of 5 stars with 2 reviews
100% would recommend
1 recommendations
5 out of 5 stars
Thumbs up graphic, would recommend
28 September, 2025Verified purchase
Plug-and-play, SC9120B replacement.
Perfect replacement for SC9120B. 2 of mine went out and I disconnected the old ones from the ceiling and connect the plugs in the new ones to the existing wiring. These came with batteries so it’s literally plug-and-play.