Anti-bark Dog Training Shock Control No Barking Collar Brand new high-quality Electroinc Anti-Bark Dog Training Shock Collar Automatically increases tone and shock stimuli as barking persists. Low battery consumption. environmental noises and automatically delivers sound and shock stimuli after each bark, AND Integration of static stimulation and tone command Strap. The collar should fit snugly underneath your dog's neck. Effective on a 5-150 pounds dog and up to 12" neck