The Automatic Anti Bark Barking Dog Shock Control Collar Device is a training and behaviour aid designed to help control barking in dogs of all sizes. With vibration and static/shock control methods, this collar offers 7 levels of sensitivity adjustment for customizable training. The humane design includes an auto-protection mode to ensure the safety of the dog. Made by a reputable brand in the United States, this anti-bark collar also features an adjustable nylon collar strap from 14 to 24 inches for a comfortable fit. Ideal for obedience training, this device helps promote good behaviour and minimize excessive barking.