Ultrasonic Dog Flute For Pet Training Color:Black with rope Clothing placket: zipper

Clothing placket: zipper

Hooded or not: hooded

Whether with lock: No

Earphone output: 3W

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Ultrasonic Dog Flute For Pet Training Color:Black with rope Clothing placket: zipperTraining Instruction: 1. Adjust the pitch & blow the whistle to your dog. But even dogs cant hear all frequencies (your whistle has a nut and screw that adjust the frequency when turned). 2. Continue testing until your dog perks up. You will then know you have reached a frequency he can hear. 3. Use the dog whistle with varying sequences to train your dog. For example, one long burst can mean "come", while a series of short, staccato bursts might mean