Feature: 1. Prevent Boredom: Indoor cats are the most playful and emotional creatures besides being the most adorable ones. But they need daily play and exercise time. Our active rolling ball is the best teaser they need. This auto rolling ball cat toy will prevent boredom keeping your sweety active and running. 2. Thoughtful Design: Silicone covers the surface of cat ball. Its soft touch makes cats feel comfortable to play with. Besides, the LED lights will on when the ball operating, which can attach the cats attention. The tiny size won t scare your kitty. 3. Smart Interactive Toy: Cat ball has 3 modes: active mode, normal mode and gentle mode. When the cat ball is turned on, it will automatically move, shake or bounce, attracting cats to and capture it, no need to control via app. You can switch among three modes to fit for different plays of timid or active cats. 4. Automatical Obstacle Avoidance Function: With a built-in intelligent motion sensor and automatic obstacle avoidance system, Ball will reverse itself and move away when it hits an obstacle or tight spots. So there is no need to worry about the cat toy ball getting stuck in the corner. Specification: Material: ABS+Silicone Size: about 4.3*4.3cm Package List: Cat toy ball*1 Note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.