Ultrasonic dog whistle (set of 4), adjustable high-frequency whistle for training, barking, sit command and dog recall.

General Description The ultrasonic dog whistle is an effective tool for training your pet. This product contains four whistles and allows you to give your dog commands such as "sit," "come," "bark," "stay," and "recall." Thanks to its ingenious design, it is lightweight and easy to use. Technical Specifications Material: Stainless steel with rust protection Length: approx. 8.5 cm Quantity: 4 whistles Usage To use the whistle, simply adjust the frequency by turning or loosening the screw. Blow into the whistle until you find the frequency to which your dog responds best. This allows you to give your pet clear and effective commands.