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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

No 10 year battery

Would Recommend

I like the plug-in version of the CO detector

March 14, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Came broken

Would Not Recommend

Faulty battery, kept going off when other sensor were not

March 14, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Response from FirstAlertProductExpert

Hi Hillary, thank you for bringing this to our attention. We will be happy to troubleshoot and provide recommendations to prevent nuisance alerts. Fe...

FirstAlertProductExpertMarch 17, 2026

FirstAlert

A very good and useful product

Would Recommend

I am a happy customer

March 13, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Carbon monoxide detector

Would Recommend

This is easy to install battery and to use, and helps protect the safety of your household.

March 12, 2026
Verified Purchaser
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Great for Home Safety

Would Recommend

Quick and easy shopping with fair pricing and clean store.

March 12, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Easy to install

Would Recommend

Very easy to install. Came with battery. Easy to test.

March 10, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Easy to install

Would Recommend

Ease of installation. Came with battery. Easy to test.

March 10, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Quick delivery

What i needed

March 9, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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easy to set up

Would Recommend

like

March 8, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Easy to use

Would Recommend

Two for the price is always a good deal and easy instructions

March 8, 2026
From Battery-operated Carbon Monoxide Detector 2 -Pack Verified Purchaser
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Great price

Would Recommend

Easy to install

March 6, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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Carbon Monoxide Alarm

Would Recommend

Great price and easy to install.

March 4, 2026
From Battery-operated Carbon Monoxide Detector Verified Purchaser
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It's a plug in device.

Would Recommend

Good product. I like the plug in option with battery backup.

March 3, 2026
From Plug-in Carbon Monoxide Detector 2 -Pack Verified Purchaser
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