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Title: Doesn't seem to work at all
Review: First off, I can hear the whine these things make. It was annoying at first but now I am used to it. Secondly, I have had THREE of them in my 400sq ft master bedroom/bathroom and the rat I was trying to chase away just laughs at them. Also, we sometimes get bugs in the summer because we live in the woods and today I noticed a small roach actually sitting on one of the plug ins. $20 waste of money.
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