Keep your dog safe and secure with these 3 in 1 Dog Bark Deterrent Devices. With a control range of up to 50 feet, you can easily keep your dog under control while avoiding any unnecessary barking. These devices feature an anti-barking function and are rechargeable, making them perfect for training and obedience. They are suitable for dogs of all sizes and types, and are great for use in public places, parks, and neighborhoods. These sonic trainers are designed to help you train and obedience your dog, without the need for harsh methods. They are also easy to use and come with a range of features, including a rechargeable battery. Order now and keep your dog safe and secure!