Features: Train your dog effectively with Dog Whistle! Say goodbye to excessive barking and regain control over your pet's behavior. Adjustable and noiseless, this dog whistle emits frequencies that only dogs can hear, ensuring efficient communication without causing harm. Suitable for all dog owners looking to train their pets, from beginners to experienced trainers. Use this professional recall dog training whistle in various settings, whether at home, in the park, or during outdoor activities. Strengthen your bond with your furry pet and enjoy a peaceful environment with Dog Whistle. Train your dog effortlessly and become a reliablecompanion. Specifications: Material: Metal, Nickel Brass Product Dimension: Approx. length 8cm/3.15inch, lanyard length 42cm/16.53inch Color Option: Black/Black+White Package Includes: 2x Dog Training Whistle with Lanyard note: Please allow 1-2cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.