Thanks Sylvia. I actually was curious and thought this post had something to do with Thunder as in storm associated thunder, which our Snickers is very afraid of. She is okay if we are home, but if it thunders and we are not home, we know we are coming home to pee pee accident. That is the one and only time she has accident in the house. I will probably be buying one of these since we are approaching typical Florida storm season.
May also help with her barking at some of hubby's friends long after they have entered.