Характеристики
Description characteristics: New Pet Training Dog Adjustable Ultrasonic Sound Whistle This is Pet Training Dog Adjustable Ultrasonic Sound Whistle. dog whistle with the dog to be a good tool for communication and discipline. While using this product can produce ultrasound and spread very far. Within3km can be heard. dog whistle will be a dog can detect ultrasound. Dog's ear received sound waves per second, 120 kHz, while people can hear up to 20 kHz. Dog whistle can be delivered 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 hear the sound very far away. The sound can be heard by human too. please \ no worries! This Whistle can help to train your dogs. original box: NO Item size: 55 * 7mm net weight: 12g color: silver packing content: 200 x Dog Training Ultrasonic Whistle






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