pet dog training whistle ultrasonic supersonic sound pitch quiet trainning whistles cat dog training obedience whistletool

features: this dog training whistle is designed for dog training, the frequency produced isn't of effect on person, but very useful for dogs, it will sit up, come here, eat, sit down etc. great for recall over long distances specification: material: metal & plastic length: 9cm weight: 14g how to use a silent dog whistle: 1)firstly decide how you want your dog to respond to the whistle. the sound from the whistle will work a lot like a command, such as "come" or "sit" once your dog has le