The Stop Woofer Dog Bark Collar is a humane training tool designed for medium to large dogs. It uses a combination of vibration and sound to deter unwanted barking, without resorting to shock. The collar is waterproof and rechargeable, making it convenient and easy to use for pet owners. The Stop Woofer brand is known for its quality and effectiveness in controlling excessive barking in dogs. Ideal for obedience training and enhancing the bond between owner and pet.