Smart Cat Toy Interactive Electronic Self Rotating Roll Ball With Light Pet Cat Play Game Toy Automatic USB Ball specification 100% new and high quality MaterialPlastic ColorBlue / White / Pink Size64 * 64 * 64 mm toy cat: cat playing ball Features: 1. This ball is completely automatic and will accompany your cat/dog when you are not available, also could help the cat exercise more and have fun. 2. The ball will run in whole room and it automatically change direction when colliding with a wall or corner. 3. Easy to operate: just open the ball and turn on/off the switch, let your pets enjoy it to the fullest. 4. The built-in Led Light can also attract the pets chasing, swatting and running, give pet more fun. 5.Rechargeable Design solves the battery life issues, no need to waste your money to purchase the new batteries any more. 6. Pet will no longer have days when it is bored and sitting around all day with the self-rotating LED ball. Package include : Smart interactive cat toy ball x 1 USB charging cable x 1 User Manual x 1 Note There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item. Please note that slight color difference should be acceptable due to the light and screen.