This ACME 535 Silent DOG Puppy Training WHISTLE Command Adjustable High Pitch is an essential tool for dog owners who want to train their pets effectively. Made from high-quality nickel and manufactured in the United Kingdom, this whistle is designed to produce a high-pitched sound that can command your dog's attention from a distance.With its adjustable pitch and silent design, this whistle is perfect for training and obedience exercises. It is compatible with a range of different dogs and is ideal for use in various environments. Whether you are training your dog in the park or on the beach, this ACME 535 whistle is the perfect tool to help you achieve the results you desire.