Emson Div. E. Mishon Petzoom 8140 Sonic Pet TrainerPET Trainer button conditions your animals in a safe and civilized way. On the carpet, Rover? New?. If you have been having trouble getting your dog or cat up to speed in your conditioned behavior, you need the PET Trainer. The pet training helps deter indoor wetting, gum, barks, scratches or other undesirable measures. When Bad Behavior is noticed, a simple button emits an ultrasonic high frequency step that is inaudible to humans. It doesn't harm