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Pet Dog Training Adjustable UltraSonic Sound Whistle
2 xDog Whistle :SKU192901
Note: The dog whistle’sound includs 2 parts. Part 1: the Ultrasonic. Human’s ear can not hear it,but dog can hear it.
Part 2: These light sound can be heard by human, which help owner sound a long or short whistle to train their
Adjustable pitch, simply tighten or loosen the screw to work out your dogs frequency.
It should be noted that this whistle is audible to the human ear, essential for gauging its efficiency.
1 X Dog Training UltraSonic Whistle