Description: Specification: Material: ABS, silicone Battery capacity: 80mAh Size: 43mm in diameter Weight: 40g Packaging: opp describe: [Mode] Bionic motion intelligent obstacle avoidance intelligent mode, in the intelligent mode, you can wake up the simulated prey escape trajectory by tapping. After rolling and hitting an obstacle, intelligently choose an avoidance route. [High-quality size] Different from the traditional rolling size on the market, it is more suitable for cats to have a "sense of control" for primitive hunting [Bionic Motion Intelligent Obstacle Avoidance] Tap to wake up in intelligent mode, simulate the rolling of the escape trajectory of the prey, and intelligently select the obstacle avoidance route after hitting the obstacle [Silent and noiseless] 90% of the outer layer wraps the cache material, and the scrolling is silent Premium MaterialSoft and skin-friendly silicone wrap, in addition to quiet rolling, increase friction, while taking into account anti-seize and durability. Package includes: 1/2 Electric Cat Toy Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.