Anyone who's been to my home knows how Hannah is. Rowdy barking and jumping on them. She
I saw a commercial for this and went to the website. For $20 it seemed like it was worth a try. A lot cheaper and (in our eyes) more humane than the zappers that can be bought at pet stores. Of course we have no way of knowing for SURE what this feels or sounds like since humans can't hear the noise.
All I can say for sure right now is that the few times we've used it, she has stopped what she was doing. She looks around like 'what was that noise' for a few seconds, then goes on to doing something else, like chasing her tail.