Auto Rolling &LED Chaser - Just press the button.Our cat play ball automatically moves randomly and lights up red to attract your cat's attention.It can also automatically change direction when encountering obstacles such as wall, chair, door, etc. 2020 updateUSB rechargeable level - Built-in 250 mAh Li-ion battery - Can last 4 hours after 1.5 hours charging.It can automatically turn off after 30 minutes to prevent your kitten from losing interest in the toy ball and is perfect for those who don't have time with their cats anddogs. Durable and safe: manufacturedMade of impact-resistant ABS plastic, resistant to wear and tear.wear and non-toxic.Don't break against the wall.Durable and safe for your pets.CertifiedCE, RoHS and FCC More movement for health- Hunting around the catLED Chaser helps domestic cats and dogs get rid of their pets.get more exercise,improve their immunity,reduce obesityand at;kill boredom when the owner is not around Attention and contact –Please use this cat toy ball on hard floors such as wooden floors, tiles and thin carpets which may not roll well on thick carpets.Contact us: If there is any problem, please contact us by email or Amazon to help you instead of making a review