I have a crazy beagle that barks non-stop so we got this product and it worked wonders! But after using it for awhile, my dog had a seizure. We have no known reason why this occurred but when talking to the vet they suggested that the shocks from the collar were most likely the cause. We are now looking into the citronella bark collars. Please look into that as well for your dog before trying the shock collar. I would hate for your dog to be one that has seizures as well.