Features: *High Quality Material: Our cat toys are made of high quality material, not easy to break, reusable and durable. *Obstacle Avoidance: Built-in intelligent motion sensor and automatic obstacle avoidance system, as long as the cat touches it with its nose or paw, it will immediately and play with the cat, when encountering an obstacle, it will automatically reverse and move away. *Multipurpose: Use this cat teasing ball to evoke the nature of cat game and make your interaction with your cat more harmonious. At the same time, it can relieve the anxiety of pets. *Daily entertainment and anxiety relief: These cat toys are designed to provide cat with enough fun to help them relieve anxiety and reduce their destructive behavior, such as biting on the sofa, shoes, other furniture, etc. *Great Gift: This cat toy is a great gift for cat lovers on Christmas, Thanksgiving, birthday and other festivals. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS, Silicone Size: Diameter 43mm Battery capacity: 80mAh Package List: 1 x Cat Toy