UltraSonic Pet Adjustable Training Dog Sound Whistle
Descriptions:
1.This is Pet Training Dog Adjustable UltraSonic Sound Whistle.
2.can be heard. Dog whistle will send a dog can detect ultrasound.
3.be very far away hear the sound.
4.This Whistle can help you to train your dogs.
5.Dog whistle with the dog (can also be used for other pet birds for pigeons) to establish a good tool for communication and discipline.
6.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 The sound can be heard by human as well . please don&39;t worry
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