Provide effective training for your furry friend with these 2 Premier Pet BARK COLLARS. Designed for automatic bark control, these collars offer 15 levels of vibration, ensuring that your dog learns to control their barking behavior without the need for excessive training. Made for dogs of all sizes, these collars are perfect for those who want to keep their pets well-behaved without compromising their comfort. With a control method based on vibration, these collars are gentle and effective, ensuring that your dog is always comfortable even during training sessions.