Features: 1. This is a smart toy, which is self automatic, letting the cats play with themselves. 2. The tennis ball design is attractive for the cats, and it can be removed from the holder, adding more fun. 3. There are 3 kinds of playing modes and can be timed for 10 minutes. 4. The pointer can more irregularly, which can arouse the curiosity of the cats easily. 5. Encouraging your cats to do more exercise and achieve the aim of weight loss, relieve the boredom, making them more active. Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little different from what you expect, please allow it. Description: Material: Environmental ABS Color: Orange, green, pink Size: 10*10*11cm, tennis diameter 7cm Weight: About 200 grams Battery: Ball-3*LR44/AG13 button batteries( included ), base-3 AA batteries (not included) Note: Remove the battery cover, unplug the insulation sheet, and use it. Package include: 1 x Electronic Ball Toys includes:1 x Electronic Ball Toys( Including button batteries, base batteries are not included)