Pet Dog Training Obedience Ultrasonic Whistle

The product is made of stainless steel and plastic, including key ring, which is easy to carry and not easy to damage. This whistle is specially designed for dog training. Different dogs respond to different frequencies. Our training whistle comes with nuts and screws to adjust the frequency as it rotates. Pay attention to your dog's response to each setting until your dog shows the strongest response. When using the dog training whistle, please keep the whistle consistent with the instruction. When the dog performs well, please reward the dog, the training effect will be better. It's easy to train your dog to learn basic skills, such as using the dog whistle to stop barking, sitting down, reaching out, etc. Size: 3.2 "lx0.3w