Sell Adjust The Pet Dog Whistle Steel Whistle Flute Supplies best price

Commodity specifications: length 6.3cm, diameter 8mm [product introduction]: a dog whistle is one of the most useful gadget to call the dog, the flute is blowing it with our different products. Dog whistle will be a kind of human ear is not easy to detect but the dog is very obvious ultrasonic. Because the sound a dog's ears can receive 120 kHz, and 20 kHz at most people can hear. While dogs can send the human voice in addition to flute tube could be heard outside, also the sound is inaudible, only dogs can hear the frequency, the frequency of ultrasonic spread very far, so the dog could hear it in the far place. Use of the dog's expertise in the manufacture of a dog whistle, you can catch the prey running away from the dog easy to call back. [usage]: loosen the sound wave adjusting screw. Side from the air inlet to the air, while the rotation of the adjusting rod, to the best pitch. After the adjusting rod is screwed, the sound wave adjusting screw is tightened. Note that the best pitch here is not the most loud sound, but your dog is the most sensitive to the sound, which we can only pay attention to the ordinary observation can get oh!