The NEW Innotek Automatic NO-BARK Dog Collar (BC-50B) is a high-quality training tool designed for dogs of all sizes (S, L, M). It utilizes a static/shock control method to effectively curb barking behavior. With its waterproof design, remote control capabilities, adjustable shock levels, and rechargeable battery, this collar offers convenience and flexibility for pet owners looking to improve their dog's obedience. The Innotek brand is trusted for its innovative features, including the internal antenna system, making this collar a reliable choice for those seeking to train their furry companions.