Transform your dog training experience with this comprehensive set of 6 ultrasonic dog training whistles. These metal whistles are designed to produce high-frequency sounds that effectively communicate with your canine companion, whether you have a small puppy or a large breed. The whistles can be used to grab your dog's attention, assist with recall training, and help manage excessive barking behavior. Each whistle is crafted from durable metal for long-lasting performance and includes a convenient neck cord for easy access. Perfect for professional trainers and pet owners alike, these whistles serve as an effective training tool that works across various distances. The set offers multiple whistles, making it convenient to keep them in different locations or share with family members involved in training. The compact size makes them easy to carry during walks or training sessions.