Ultrasonic Dog Obedience & Training Whistle

This Dog Training Whistle is designed for dog training with ease, the frequency produced isn't of any effect on people, but very useful for dogs. You can teach it to sit up, come here, eat, sit down.

This whistle will not produce a frequency that we can hear, to setup simply remove the plastic cover and adjust to find a frequency that your pup responds to and set.

Adjustable frequency.

9cm long

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