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Reviewed in the United States on February 7, 2025
Easy setup and works flawlessly
Jeffrey
Reviewed in the United States on February 25, 2025
Great product thank
Alexa
Reviewed in the United States on February 10, 2025
One detector kept reading 999 co levels even outside. I tried new batteries and troubleshooting it, but nothing worked. I asked for a replacement To be sent however there’s still no date as to when it’s coming, just delayed, so now I’m stuck with a smoke detector that does not work until they decide to ship it.
Nancy Day
Reviewed in the United States on January 6, 2025
We were able to get rid of our CO unit since these units act as a smoke alarm & CO. They are easy to install and like the digital readout.
Sandra C. Matthews
Reviewed in the United States on January 24, 2025
Good deal. Works as they should. Easy to put up.
David trucchio
Reviewed in the United States on January 23, 2025
Great deal for 3 alarms with BATTERIES INCLUDED! The digital display for some reason is comforting to see. Fast delivery. Next day exactly on time
Shiggy
Reviewed in the United States on January 10, 2025
Great product and good price. Easy to install and does what it's supposed to do
Dim
Reviewed in the United States on October 3, 2024
These are 3x AAA battery powered optical smoke detectors, and the ad claims that they also detect CO (carbon monoxide - killing gas with no smell that is produced by pellet and wood-burning furnaces and fireplaces). So having CO detection capability is very useful in places with fire-based heating. It is less essential in the homes with gas or electric heating where CO may not happen.The construction is nice and sturdy, the alarm sound is a bit weaker than expected but OK. They are affordable on every budget and are better than nothing.On the "con" side: they are not UL-listed and thus will not pass home inspection. And they do not pass a rule that detector cannot be installed in place without battery.There is also no manual describing the principle of operation and how to test its CO sensitivity. There are four or more different technologies available, and each have different sensitivity and longevity. The manual does not tell the details and does not tell when the sensor must be replaced. Google for finding more information on CO detectors.The lack of UL-certification and no information about CO sensing and testing dropped one star.
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