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Title: It works I think
Review: Since I have not had a carbon monoxide alarm go of with the First Alert CO615, I cannot truly tell if it works (product up and running for 4 months). However, I have the unit plugged in by my bedrooms and at a fairly high level because carbon monoxide rises (giving ample time to react). I like how it has a constant battery symbol showing the strength of the battery and has a green light that shows that it is powered on through the outlet. It is not the prettiest thing in the world, but heck smoke detectors aren't either. Overall I have not had a problem with this product and I will post if I do. Recommended at this time.
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