Good Deal 60% confidence
costco.com · First
First Alert SC5 Smart Smoke & Carbon Monoxide Alarm, 2-pack $149.99 Battery or Hardwired Free Shipping Costco.com
$149.99 $194.99 ↓23%
https://www.costco.com/p/-/first-...?langId=-1 $50 OFF $50 manufacturer's savings is valid 10/01/26 through 10/31/26. While supplies last. Limit 10 per member. Precision Detection Advanced...
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Price History
90-day price tracking across retailers
Price History
90 daysCurrent
$149.99
Lowest
$142.49
Highest
$214.49
Current
$149.99
90d Low
$142.49
90d High
$214.49
Community Verdict
29 reviews60% recommend
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Limited time offer
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Extended return policy and warranty through Costco
Community-sourced deal with moderate approval. Verified available at costco.com.
Discussion
0Trust Score
Moderate 70
Historic low price No
Authorized seller Verified
Honest pricing Verified
Current model Current
True Cost
No surprisesBase price $149.99
Shipping Free
Total $149.99
Deal Info
Retailer costco.com
Brand First
Category Other
Posted 10/5/2026
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