Adjustable Frequency Ultrasonic Whistle For Pet

1. The ultra-sound whistle is a training tool that allows you to call your pet without shouting at him.
2. This whistle is also very useful to "silence" dogs that tend to bark too much by destabilizing them.
3. The  result you'll get with this whistle require using and regular training between you and your pet.
4. The whistle emits both an audible hiss and ultrasounds inaudible by humans

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• Material: stainless steel + plastic
• Length approx: 8 cm
• Range: about 200 meters depending on the animal's hearing

Use:

1. Loosen the adjustment knob
2. Adjust the length of the screw / frequency until you get a reaction from the animal
3. Tighten the adjustment knob
4. Then at each successful exercise reward the dog with a whistle.
5. Once acquired, the whistle will control the exercise.
6. NOTE: Need several weeks of training to get result!