Different but effective

This was easy to charge and put on dog and came with clear instructions on how to use. A lot of products I have ordered online don't even come with instructions these days. This was much different and not as frustrating as telling my dog to be quiet 100xs a night. As soon as he barked once, he rarely barked a second time. This is useful to get him to be quiet when he is unnecessarily loud but not so sure if I like that it may stop him from barking when he needs to, when he's trying to warn or protect.