This dog collar comes with bark recognition technology, which recognizes the moment your dog is barking and vibrates to correct and stop any unwanted barking. This system sends a warning vibration to your dog prior to correction for a safer and faster learning curve. This dog-friendly feature helps reduce the use of stimulation, while addressing your dog’s barking concerns. Shop Dog Deterrents Anti Barking Collar at 100% discounted prices at ShoppySanta.