Metal whistle small for dogs, 4.6 x 0.8 cm, silver

Ultrasonic whistles - an effective tool for training dogs. None of the owners even consider them an excellent alternative to voice commands. The ponds perceive ultrasonic signals better than the various tonality of the owner’s voices. The last is a common cause of non -understanding or incorrect interpretation of the dog given to a person who is given to a person at that time As a sound of a whistle, the animal can perceive at a distance of up to 500 meters.