Digital Pet Training Voice Control Shock Stop Barking Collar As a high-tech product, this bark stop collar is aim at training your pet effectively and full of humanity. Controlled by micro programming system, discriminate the bark from the voice around. The product will shock increasingly as soon as the dog barking, impress the dog by the unique pattern and discard the vicious habit. Humanization design is harmless to your pet. With it in charge, you are at ease.