Petsafe Collarless Ultrasonic Remote Trainer it has a medium port

it has a medium port creating space for the tongue

Promotes balanced behaviour

Dogs love the crunchy noise of a water bottle

The characteristic fastener with the stylized hand logo reliably secures the glove around your wrist

Petsafe Collarless Ultrasonic Remote Trainer it has a medium portTake control of training your dog using ultrasonic tone. The Collarless Ultrasonic Remote Trainer emits a sound that is beyond the hearing of most humans, but is audible to dogs. This trainer can be used two ways. First, you can activate the ultrasonic tone to correct your dogs bad behaviours (using the N button) so he will quickly associate negative actions with the annoying sound. Secondsimilar to clicker trainingyou can also activate an audible