Beylos Dog Whistle, Adjustable High Pitch Training Assistant, Bibetter Professional Ultrasonic Dog Training Whistle to Stop Barking, Teaching and Recall (with Lanyard Strap)

Adjustable Pitch: Use the pitch Tone screw to dial in to the perfect pitch like the picture. The frequency sounds very small to humans, and dogs respond very sensitively to this. Dogs of different sizes are suitable for different frequencies. Please test and adjust to your dog responds. Scientific Training Tool: Training dogs in this way is safe and easy, easily teach your dog commands such as sit, come, stop barking, stay, and more. Can be used for other animals, including cats, dogs birds, etc. Small and light weight: Just 3.15 inches, with high quality lanyard for easy carrying, play with your dog anytime, anywhere. Note: The ultrasonic frequencies emitted by the whistle does not sound high for humans, but it is clear to dogs. So you can recall a dog or train it without disturbing humans. We want give the best shopping experience for you. If any not satisfied with our product, simple contact us and we'll do our best to make you satisfied.