Mini Anti-Bark Dog Training Stop Barking Collar Ultrasonic Shock Aid Control Features: 1.Brand new high-quality Electroinc Anti-Bark Dog Training Shock Collar2.Microprocessor controlled.The bark Terminator is controlled by a microprocessor which distinguishes your dog's bark from other3.environmental noises and automatically delivers sound and shock stimuli after each bark4.Integration of static stimulation and tone command5.Automatically increases tone and shock stimuli as barking persists6.strap. The collar should fit snugly underneath your dog's neck7.Effective on a 5-150 pounds dog and up to 12" neck8.Low battery consumption. Power by a 6 volt battery size 2/3 AA9.Led flash signal light Package Includes: 1 x Anti-Bark Dog Training Shock Control No Barking Collar1 x Testing Light1 x 6 volt battery