The DogIt Silent Dog Whistle by Hagen is a high pitch training whistle with ultrasounds. Its more effective than your voice! Your dog will hear the high-pitched whistle from a farther distance and you don't have to strain your vocal chords by shouting.
- High pitch ultrasound dog whistle
- Great training and behavior control tool
- Solid, chrome plated construction
Of course, you must train your dog first to know how to react when they hear the whistle.