Description: Simplified Sound: The pet training device does not require complicated tone adjustment, ensuring that every dog can hear the whistle. It is great for recalling your dog or preventing uncontrolled behavior.Durability: The dog sound generator is made of materials to ensure durability and durability.Easy to Carry: The dog training click with a size of 7.5cmx2 cmx3cm, is easy to carry and convenient to carry with you during walks or training.Easy to Operate: You can use it by pressing a button or blowing the whistle with your mouth, which is simple and easy to use. The dog behavioral click whistle is used to issue commands and the click is used to confirm your dog after completing the .Applicable: The 2 in 1 training click is suitable for various dog breeds, promoting interaction between pets and owners and enhancing the connection between them. Size Chart: 7.5cmx2cmx3cm or 2.95inchx0.79inchx1.18inch Package Includes: 2 Dog Sound Generator Note: Please allow slightly errors due to manual measurement and different monitors.