Not only does this not work on my pitbull's barking, it doesn't faze him in the least. They charged me two different charges for ONE of these. I have a $42 charge and a $20 charge. Meanwhile, these are being sold on eBay for $10! What a rip off. There's no button on the side, and only lights and an infrared one, but doesn't seem like any sound comes out. My dog doesn't react the slightest bit. I don't know what my order number is because I was never sent a confirmation of the order. If I had, I could have disputed the charges.
Bottom Line: No, I would not recommend this to a friend
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