Discover the power of precision training with the Acme Silent Dog Whistle #535, available at Outdoor Dog Supply. Designed specifically for both sporting and domestic dogs, this high-pitch whistle is inaudible to most humans but can be heard by dogs up to approximately 400 yards away. Its frequency can be finely adjusted from 5400 to 12,800Hz, making it ideal for a range of breeds and training scenarios.

Constructed from solid brass and nickel-plated for durability, the 4-inch Acme Silent Dog Whistle is compact and designed for efficiency. It features a split ring for easy attachment to a lanyard, ensuring it's always handy during training sessions. Whether you're training your dog for field work or ensuring good behavior at home, this whistle is an essential tool for effective communication and training.