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10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector 2 -Pack

Ratings & Reviews for First Alert 10-Year Battery, Battery-operated Photoelectric Combination Smoke and Carbon Monoxide Detector 2 -Pack

4.4
1224
Review
 4.4 out of 5
1227 Reviews


83% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The First Alert combination smoke and carbon monoxide detectors are generally well-received, with many users finding them easy to install and appreciating the 10-year battery life. However, some customers experienced issues such as false alarms, malfunctions, and difficulties with the mounting and installation process. While the majority of users seem satisfied with the product's performance and value, quality control and installation challenges may be areas for improvement.

Customer review summary generated by AI, including incentivized reviews.
1227 Customer Reviews

Set it and forget it (for 10 years anyway!)

Would Recommend

Easy install!

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Its definitely affordable.

Would Recommend

I didnt need to buy two alarms for two different things, this product holds both alone.

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User friendly

Would Recommend

Easy install

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Straight forward instructions.

Would Recommend

Easy to install

April 6, 2026
Verified Purchaser
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False Alarms on Multiple First Alert Models

Would Not Recommend

Do not buy. This and other First Alert models have repeatedly false alarmed. I have spent way too many hours installing, replacing, on the phone with Resideo support (the manufacturer and support org). I bought 5 in 12/25 and by March, 3 of the 5 (60%) false alarmed in the middle of this night. Resideo has sent me replacements and 2 of them have false alarmed within a week. So, I bought a First Alert SN210V Smoke only alarm as a replacement and it too false alarmed within 2 days. I am done ...

April 6, 2026
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Response from FirstAlertProductExpert

Hi JohnD, we’re sorry to hear about the challenges you’ve been experiencing with nuisance alerts, and we sincerely apologize for the inconvenience th...

FirstAlertProductExpertApril 10, 2026

FirstAlert

Smoke detector

Would Recommend

Easy instal process and trustworthy brand. Bought it on sale too

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Wish they would make one with fewer false alarms

Would Not Recommend

Have to replace more frequently due to false alarms. Dusting doesn't solve problem.

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Response from FirstAlertProductExpert

Hi Lucy, we are sorry to hear about this. We will be happy to help troubleshooting and provide recommendations to prevent nuisance alerts. Feel free ...

FirstAlertProductExpertApril 6, 2026

FirstAlert

Easy

Would Recommend

Easy to install and both smoke detector and CO2 detector with 10 year battery

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Easy to install dual function detector

Would Recommend

Love the fact that it detects both CO and Smoke. Installation was very easy with the wall anchors provided. I installed 4 units and each one tested easily. Key learning...Remove the yellow tag on the back to enable the battery.

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Good 10 year detector

Would Recommend

works as described

April 2, 2026
Verified Purchaser
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Very affordable...especially for a 2 in 1 produst

Would Recommend

Its dual role for smoke and carbon monoxide

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Fire Alarms

Took a bit to figure how to test ur, but once fine, it’s great.

March 31, 2026
Verified Purchaser
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