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Available at amazon.com.
PRIME $31.32 First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200,

amazon.com · PRIME

PRIME $31.32 First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200,

$31.32 $40.72 ↓23%

https://www.amazon.com/SMCO200-Ba...=sr_1_10?c

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Price History

90-day price tracking across retailers

Price History

90 days
Current
$31.32
Lowest
$29.75
Highest
$44.79

Current

$31.32

90d Low

$29.75

90d High

$44.79

Community Verdict

26 reviews
60% recommend
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Community-sourced deal with moderate approval. Verified available at amazon.com.

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Trust Score

Moderate 70
Historic low price No
Authorized seller Verified
Honest pricing Verified
Current model Current

True Cost

No surprises
Base price $31.32
Shipping Free
Total $31.32

Deal Info

Retailer amazon.com
Brand PRIME
Category Other
Posted 6/24/2026
otheramazon