FREE: Stainless Steel Dog Puppy Pet Training Whistle Adjustable Sound Ultrasonic 55*7

The listing, Stainless Steel Dog Puppy Pet Training Whistle Adjustable Sound Ultrasonic 55*7 has ended.

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Description:

This Whistle can help you to train your dogs.Using this product can produce ultrasound and spread very far. Within3km can be heard.


Dog whistle will send a dog can detect ultrasound.

Ear of dog to receive sound waves per second, 120 kHz, while the people can hear up to 20 kHz.

Dog whistle can be issued in addition to the human voice can be heard outside the tube, while the sound people hear is, only dogs can hear frequencies, this frequency ultrasound transmission is very far, so the dog can be very far away hear the sound.


Item size: 55*7mm

Net weight: 12g

Color: Silver

How to use : Show in picture


Packing content:

1 x Dog Training Whistle