Auto Rolling & LED Chaser- Just press the button. Our cat toy ball will automatically move randomly and light up red to attract your cat& 39;s attention. It can also automatically move from direction to direction switch_x000D_in the case of obstacles such as walls, chairs, doors, etc. _x000D_ Upgradable via USB RechargeableBuilt-in 250mAh Li-ion battery, lasts 4 hours after 1.5 hours charging. It can turn off automatically after 30 minutes to prevent your kitty from losing interest in the toy ball and is perfect_x000D_for those who don& 39;t have time with their cats and dogs. _x000D_ Durable and Safe- Made of impact-resistant, wear-resistant and non-toxic ABS plastic. Don& 39;t crash into the wall. Durable and safe for your pets. CE, RoHS and FCC certified _x000D_ More Exercise for Health- Chasing around the LED Cat Chaser helps pet cats and dogs exercise more, boost immunity, reduce obesity and banish boredom when the owner is away_x000D_ Caution and Contact- Please use this cat toy ball on hard floor such as wooden floor, tile floor and thin carpet. However, it may not ride well on thick carpets. _x000D_ _x000D_ Key features: _x000D_ 360 degree random automatic rotation ball toy, automatically changing direction when colliding with obstacles, having fun and exercising. _x000D_ Attracts animals& 39; attention and stimulates their hunting instincts with unpredictable movements, fully mobilizing their enthusiasm and stimulating them. _x000D_ Upgraded version with USB charging, charge 1.5 hours, enjoy up to 4 hours of pleasure. _x000D_ Timer function, auto shut off every 30 minutes, prevent your cat from getting too addicted to the toy ball. _x000D_ Brighter LED light, the ball shot red light while moving, quickly attract your cat& 39;s attention and enjoy the fun. _x000D_ Made of high impact and non-toxic ABS plastic, won& 39;t even break the wall, durable and safe for your pets. _x000D_ Small, ideal for cats and puppies, intelligent hands-free interactive play. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Diameter: 2.5 inch / 6 cm _x000D_ _x000D_ Weight: 3.5 ounces/100g _x000D_ _x000D_ Charging time: 1.5 - 2 hours _x000D_ _x000D_ Duration: 3.5 - 4 hours _x000D_ _x000D_ Material: impact-resistant ABS