Once you've tuned your beloved pet to a frequency, stick to it. Dogs can understand us, but they can't express themselves. You can easily train your dog with this whistle. Humans best friend With this dog whistle, your dog will receive clear signals and commands. Clear communication between you and your dog will be much easier. We will strengthen the relationship between you and your furry friend. Adjustable Frequency The precise cut of the dog whistle to achieve a finer frequency range that is almost inaudible to humans but very important to dogs . With the best and most reliable professional dog whistle on the market, it can be the perfect companion in almost any situation. Dog Whistle High quality dog whistle. It can be used with a lanyard and it has a carabiner so you can always remove the whistle from the neckband. Our high-quality dog whistle combines lightness, comfort of use and powerful performance. The risk of loss is also minimized. Ultrasonic Training Whistle Our dog whistle reliably stops barking and helps you learn commands and techniques. Suitable for sports, hunting, herding, guide dogs and rescue dogs. Due to manual measurement, the product you receive may have a slight error in size Due to different monitors, the product you receive may be slightly different from the picture Actual delivery quantity 1 piece