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Title: No deal.... ALL DUD!
Review: I read the good reviews and thought that this would be a great investment. NOT!!!!!!!!! I bought this device for my black lab puppy who had become a nuisance barker. My mother has shih-tzus and it worked on those dogs. When I tried it on my lab he just kept barking, and barking and barking. It didn't even phase him. The worst part is that it only lasted for a day and a half. Now it doesnt even work. Completely broken!!! I wasted 13.00 dollars on this device only for it to be of no help what so ever. I am lucky that I didn't purchase it to protect myself from big dogs. It would have left me defenseless. I do not recommend this device to anyone. I am going to buy a bark collar instead. Pay the money and spring for something a little more expensive. Don't waste your money on this one.
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