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Title: Waste of money
Review: A complete waste of money. Our dogs are completely unaffected by the "ultrasonic sound". We tried all settings, low, high and even audible. The audible setting will emit a loud piercing sound, much like a smoke detector alarm, and it almost deafened me when I turned it on. My dogs looked at me like I'm an idiot. Maybe I am for wasting my money on this junk.
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