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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

Battery operated

Would Recommend

Easy peasy

April 16, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Quick to install.

Would Not Recommend

No connections needed, just a couple of screws to the wall. The batteries do need to be replaced.

April 16, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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CO detector

Would Recommend

Easy instal. Just like the ones we put in 7 years ago.

April 16, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Perfectly sized

Would Recommend

Getting the battery door open and installing battery were difficult for me.

April 16, 2026
Verified Purchaser
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Easily installation for the CO2 alarm

Everyone should have CO2 alarm, especially if you use natural gas

April 16, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Very expensive

Would Recommend

Easy to install

April 16, 2026
Verified Purchaser
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Could save your life for under $30.

Would Recommend

Quick and easy to install.

April 16, 2026
Verified Purchaser
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Check date of manufacture per Colorado Springs .

Would Recommend

Seems to be very simple alarm.

April 16, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Check the manufacture date before purchasing.

Would Recommend

Just put them up.

April 16, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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As important as a smoke detector but often overloo

Would Recommend

It is harder getting it out of the package than installing it. Very easy.

April 16, 2026
Verified Purchaser
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Just as advertised

Would Recommend

Works great!

April 16, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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