Features: Our Pet Barking Control Device effectively stop excessive barking, providing a great living environment. This device is practical, making it easy to install and use. It can be adjusted to suit pet of different size and breeds. Perfect for pet owners who want a calm, especially those living in apartments or townhouses. Our Pet Barking Control Device help create quiet place. Whether indoors or outdoors, such as home, in garden, our Pet Barking Control Device effectively reduces excessive noise, preventing disputes withneighbors. Enjoy a peaceful environment wherever. Say goodbye to annoy barking and hello to a more great living space. Our Pet Barking Control Device help you maintain a quiet environment by reducing unnecessary noise. Specifications: Materials: ABS Product Dimension: Approx. 4.5x12.50cm/1.77x4.92inch Package Includes: 1PC Dog AntiBarking Device note: Please allow 1-2cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.