Dog Toy - Universal - Ultrasound dog bark control whistle, dog training flute Highlights Universal Ecography dog bark control whistle, dog training flute dog dogs ultrasound Testing Control, flute training dogs Product is shipped in depending on the color or size of the main product page image. [Product Name]: Adjustable Pet Training Dog Whistle [Product Material]: copper [Product Size]: 5.3cm, diameter 6mm [Product Introduction]: The dog flute is one of the most useful gadgets used to remind dogs. It is a completely different product from the flute we play. The dog whistle emits a sort of echo sound that is not easily detectable by human ears but is very obvious to dogs. Because dogs' ears can receive 120kHz sound waves, while people can hear 20kHz at most. In addition to the tubular sound that can be heard by humans, the dog whistle also emits sounds that cannot be heard by humans. Only dogs can hear the frequency. Ultrasound at this frequency can travel far, so dogs can travel far. Somewhere to hear that sound. The dog whistle made using this specialty of the dog can easily remind the dog that ran away after chasing the prey. [How to use]: loosen the sound adjustment screw. While blowing air from the air inlet, rotate the adjustment rod. Once the adjustment rod is screwed in, tighten the sound adjustment screw. Note that the pitch mentioned here is not the loud sound, but the sensitive sound of your dog. This point can only be obtained by normal observation [Training Method]: Use different flute methods to specify commands such as "Stay still", "Sit" and "Come Over".eg: "Don't move" - -------- Two short tones "sit" --------- one long and one short "Come here" --------- Two long beepswhen teaching the dog these movements, play the flute according to the rules, And then teach him to make the corresponding movements; Repeat the training and wait for the flute to play, the dog will know what to do. Collect: When your dog completes the action you specify, use the corresponding dog snack as a reward, and the training effect will be better