Introducing the Vanzo Anti Barking Device, a highly effective tool for dog owners to control their pets? barking habits. This device features four different modes and is completely waterproof, making it perfect for outdoor use. With the Vanzo Anti Barking Device, you can train your dog to stop excessive barking without having to resort to harsh methods. Its compact size and package dimensions of 4.61 x 3.62 x 2.13 inches make it easy to carry around and use on the go. Available in the color Anti B, this device is a must-have for pet owners who want to maintain peace and quiet in their neighborhoods.