Key features:

• adjustable tone
• almost inaudible to the human
• plastic cover

Intended use:

• dog training
• obedience dog training

Characteristics:

• Material: nickel plated steel, plastic

Silent dog whistles have a variety of uses, from training your dog to communicating with it in long distance.

This whistle suits all dog breeds. Dogs can hear sounds at much higher frequencies than human does so this whistle is called "silent". However they are not completely silent to the human ear.

Silent whistle (Herm Sprenger, Germany)

Silent whistles are very useful in dog training because they offer a quick way to draw dog's attention. Whistles allow owners to communicate with their dogs over great distance in a way that does not require shouting and isn't bothersome to other people.

This silent whistle has special screw to adjust the frequency of the sound produced.