About this itemIntelligent obstacle detection: With the push of a button, the cat ball will start to do a 360-degree auto-rotation if it encounters an obstacle such as a wall, chair, door and so on, it will automatically change direction.Timer function: it can be fully charged in 1.5 hours and offers up to 4 hours of playing time for cats. It automatically shuts off every 45 minutes, allowing your cat to rest after playing and maintain their interest in the ball.User-Friendly Design: Cat ball with soft red LED light that attracts the cat's attention but does not harm the eyes. The cat ball is made of ABS material, safe and non-toxic, and anti-bite, it will not break even after hundreds of bumps against the walls.Great pet toy: the ball can stimulate your cat's hunting instinct, help cat exercise more, improve immunity, reduce obesity. This ball is also a great interactive toy for dogs.Storage bag. The ball rolls best on hard floors, tiles and thin carpets. It may not roll very well on thick carpets.