Bought this for a huge German shepherd that loves to bark at everything. Stopped the behavior and can now put it on without turning it on and it's very effective. He is a nervous barker so this was a dream that it worked so well. Did not seem too strong as it goes up with excessive barking, he stopped after one jolt .
Great tool to train a dog. It gives you immense options for strength of shock, which is what makes it so unique. Truly able to find the right strength for your individual dog.
I have two Australian Shepherds that bark at leaves falling. This device has altered their behavior and the noise level in our house has diminished signicantly. The only down side is the range is only 25 feet.
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