First Alert CO400 - Carbon monoxide sensor

First Alert CO400 - Carbon monoxide sensor
Model: CO400
(1)
2 stores
2 Products

Product Details

First Alert CO400 - carbon monoxide sensor

Key Features and Benefits: Front-access battery compartment Test/silence button Low-battery warning End-of-life timer

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Last Updated: 2025-06-28 00:49:16

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$19.59
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Product Specifications

Technical Details

Manufacturer -
Brand First Alert
Item model number CO400
Color White
Weight -
Height -
Depth -

Additional Product Information

Product Id 277905
User Reviews and Ratings
4 (1 ratings)
4 out of 5 stars
UPC 111012260006

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# Shop & Price
1
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Basic CO Alarm w/ 9V Battery
Reviews: 31
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First Alert CO400 - Carbon monoxide sensor
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Top User Reviews and Ratings (8 total reviews)

(4)
Reviewed in the USA on Jan 31, 2024

I THOUGHT IT WOULD BE ELECTRIC TOO.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Jul 31, 2023

I needed a replacement. My old one is expired. This new one was manufatured this year. It arrived quickly.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Apr 23, 2021

Great features and easy to install.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Mar 30, 2021

Installed in my garage/shop/workout room and seems to be working just fine.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Dec 02, 2020

I have had this type for a long time and just love it. No problems.

Anonymous • Review provider: walmart.com
Showing 1 to 5 of 8 reviews
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