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expiredEragorn | Staff posted Sep 05, 2025 12:22 AM
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expiredEragorn | Staff posted Sep 05, 2025 12:22 AM

3-Pack First Alert Smoke Alarm Interconnect Hardwire Detector w/ Battery Backup $28.82 ($9.61/each) + Free Shipping w/ Prime or on $35+

$29

$80

63% off
Amazon
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Amazon [amazon.com] has 3-Pack First Alert Smoke Alarm Interconnect Hardwire Detector with Battery Backup (SMI100-AC) for $32.02 - $3.21 when you clip the coupon on product page = $28.82. Shipping is free w/ Prime or on $35+.

Product Description from Amazon:
  • 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
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Product Info
Community Notes
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Amazon [amazon.com] has 3-Pack First Alert Smoke Alarm Interconnect Hardwire Detector with Battery Backup (SMI100-AC) for $32.02 - $3.21 when you clip the coupon on product page = $28.82. Shipping is free w/ Prime or on $35+.

Product Description from Amazon:
  • 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

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

Current Prices

Sort: Lowest to Highest | Last Updated 9/7/2025, 04:03 PM
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Amazon$49.99

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Original Poster
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Deal Hunter
Sep 05, 2025 12:31 AM
16,092 Posts
Joined Sep 2011
EragornSep 05, 2025 12:31 AM
Original Poster
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Deal Hunter
16,092 Posts
It was a price mistake and they already fixed it - was wondering if I should have used the keyword or not.

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