usually so good....these ones were rubbish
I've bought these before for my cats and they're usually brilliant, happy cats all round. However we just bought 2 more, one for us and one for my mother in law. One didn't work at all and the other works when it wants to. We tried new batteries and everything. Not sure whether they're now being made cheaper or we just got unlucky with a dud batch but these ones weren't good at all. Very disappointed.