1. Self-rolling:The model has built-in tumbler function, which can motivate cats to jump, play so as to bring fun to your cats. It can effectively help your baby exercise. and the silent operation not affect your neighbors. 2. Automatic ON/OFF:The product can smart play with your indoor when you are out. 3. Low Noise Motor:Low noise Motor operating not disturb your neighbors. 4. Innovative Design:Funny model design, working as tumblers. It can decorate your desks as well. 5. Low power consumption / DIY accessory:Powered by 2 x AAA batteries(batteries are not included). Product description: An adorable electric cat toy is your friend. How it can help you? Turn it on. Let it automatically teases your cat, bringing fun for your cats with no time for boring. Made From Safe, Eco-friendly, and Non- material for pets safe, which not hurt your pets and family. There is LED light built in the eyes, which make cats more excited at night. Colour:B:Blue Material:ABS Package Contents: 1 * Cat Teaser Toy Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.