Coastal Train Right! Professional Silent Dog Whistle

This silent whistle is inaudible to you, but your dog will hear it and can be trained to respond. Use it to call your dog back to you during outdoor activities. It has an adjustable tone that carries a long distance, audible up to 500 feet away. Its small convenient size features a protective case and slips easily in your pocket or use the split ring to attach it to a lanyard or key ring. Approximately 3.25”.