Picture 1 of 2

Stock photo

First Alert plug in Carbon Monoxide Detector with Digital Temperature Display - Picture 1 of 2

First Alert plug in Carbon Monoxide Detector with Digital Temperature Display - Picture 2 of 2

First Alert CO710 Carbon Monoxide Detector with Digital Temperature Display (1039753)

4.8513 product ratings

brandofarnwort_0 (47)

100% positive feedback

Price:

$19.50

Returns:

No returns, but backed by eBay Money back guarantee.

Condition:

New

The First Alert Carbon Monoxide Detector is a reliable home security device that features a digital temperature display and electrochemical carbon monoxide sensor. With a battery backup power source, this detector is designed to provide peace of mind against potential carbon monoxide leaks. Its compact dimensions of 4.75 inches in width and 0.93 inches in depth make it easy to install in various locations throughout your home for added safety.

Ratings and Reviews

Learn more

4.9

13 product ratings

11 users rated this 5 out of 5 stars
2 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
0 users rated this 2 out of 5 stars
0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 13 reviews

by jondmed
Sep 14, 2025
Thanks! Brand new, works well....
Thanks! Brand new, works well.
Verified purchase: YesCondition: New
by kennykrimpets
Jul 07, 2020
good value for necessary protection
good quality and good value. necessary safety if you use a backup generator.
Verified purchase: YesCondition: New
by volchief
Sep 04, 2025
Valuable safety product. Easy to use....
Valuable safety product. Easy to use.
Verified purchase: YesCondition: New
by pzhatter
Feb 24, 2020
Just what I needed.
Easily mounts on wall, serves as a thermometer as well as a carbon monoxide alarm. The testing feature is reassuring.
Verified purchase: YesCondition: New
by garoldb2277
May 11, 2020
CO Detector
I like it. It's small but loud. like the built in thermometer.
Verified purchase: YesCondition: New
by dalv3609
Jan 29, 2023
Works great so far!
So far so good! Simple and efficient!
Verified purchase: YesCondition: New
by panidaduo333
Jan 28, 2020
Very nice!
compact design - wish the display was just a bit brighter
Verified purchase: YesCondition: New
by judith12star
Sep 21, 2021
nice
easy install
Verified purchase: YesCondition: Pre-owned
by chill517
Sep 05, 2018
Awesome product
This is a no brainer. Turn on. Done
Verified purchase: YesCondition: New
by rpcvinsf_0
Aug 21, 2025
Recommended
recommended by New York Times Wirecutter
Verified purchase: YesCondition: New