Description: Interactive Pet Toy: This automatic rolling ball is designed to entertain your pet cat, attracting cats to play and exercise.Intelligent Design: After working for 5 minutes in each mode, the cat toy enters standby mode. If not awakened after 30 minutes in standby mode, it will automatically shut down.Features: Cat toy with different modes, fast (blue light), slow ( violet ), and interaction (yellow light) that can be easily switched with click.Material: Made of PC silicone electronic components and silicone,electric cat toy is sturdy for long term use.Gift : Automatic rolling ball is ideal gift for your cats, pet, dogs.charging for convenient to use. Size Chart: Ball Width X Height :4.8cmx4.8cm/1.89inchx1.89inchBall Shell Width X Height :5.6cmx 6.5cm/2.20inchx2.56inchRope Length:29cm/11.42inchBall and Rope Length :35cm/13.78inch Package Includes: 1 Cat Toy Ball1 Usb Cable1 Tail1 Feather Note: Please allow slightly errors due to manual measurement and different monitors.