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Plug-in Carbon Monoxide Detector

Ratings & Reviews for First Alert Plug-in Carbon Monoxide Detector

4.6
2241
Review
 4.6 out of 5
2243 Reviews


94% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this carbon monoxide detector for its straightforward plug-in installation, reliable performance, and affordable price. Most highlight how simple setup is, with many noting they simply plugged it in without complications. Reviewers consistently report the device works as advertised and provides essential peace of mind for home safety, particularly those with gas appliances. Several mention years of dependable operation. A small number encountered minor issues with the battery door mechanism, but these isolated cases do not diminish the strong overall satisfaction and recommendation rate among users.

Customer review summary generated by AI, including incentivized reviews.
2243 Customer Reviews

Good Detector.

Would Recommend

Test just fine. Has not gone off yet.

March 3, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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First Alert Works!

Would Recommend

Simplistic

March 2, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Good device

Would Recommend

Easy to use

February 18, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Excellent Value CO2 Detectors

Would Recommend

Great value for the price. Set them up with no issues.

February 17, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Easy to install

Would Recommend

The alarms are easy to install because of the guide provided in the instructions, which shows you where to place the nails in order to line up with the alarm. It's nice to have a 2-pack for multiple areas of the home.

February 17, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Easy to install product

Would Recommend

The alarm is easy to install because of the nail placement guide provided in the instructions. Overall, works as you would expect.

February 17, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Safety comes 1st !

Would Recommend

Grt product, is easy to install and test check .

February 17, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Like it

Would Recommend

I say to install

February 16, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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CO2 detectors

Would Recommend

I haven't installed them yet, but they seem to be fine.

February 15, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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