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  • How are reviewers describing this item?
    first, level, great, easy and good.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 4034.
  • Previous analysis of this listing was an D grade.
  • Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
  • Our engine has determined that the review content quality is low.
  • Our engine has analyzed and discovered that 62.0% of the reviews are reliable.
  • This product had a total of 2,096 reviews as of our last analysis date on Jan 13 2020.


Most positive reviewquestion

Great Price & Product

Least positive reviewquestion

Needed to come up to code.

Most authentic reviewquestion

Easy to install and monitor, no more false alarms in the middle of the night..

Least authentic reviewquestion


Helpful Insights


    Posted by a reviewer on Amazon

    When the fire department came they said the carbon monoxide levels were indeed high and took a look at these monoitors and said you've got the real deal here.

    Posted by a reviewer on Amazon

    These are really convenient but once you put the batteries in, it’s difficult to close the flap.

    Posted by a reviewer on Amazon

    Setup is straight forward if you follow the clear instructions.

    Posted by a reviewer on Amazon

    It is plugged in one of the wall outlets to monitor co gas.

    Posted by a reviewer on Amazon

    The old one starting beeping and said error.

    Posted by a reviewer on Amazon

    No way to know if it works unless the carbon monoxide rises to an unsafe level.

    Posted by a reviewer on Amazon

    I'm not sure i want to hear it go off (lol).

Review Count History
Price History