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Title: Just did not have an effect
Review: I read the Amazon reviews. Decided to try it. My dogs, both mature, paid absolutely no attention to it. 2 feet away, 6 feet away, 10 feet ... made no difference. They did not react at all! No perked ears, no turned head, nothing. I checked the device and the red light came on each time I pressed the button, so I assume it was working as designed. I returned it.
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