Upgraded version design - . Comes with a spring and a bell that cats love to play with . Two light settings: red + colorful light to attract cat's attention and interest by sight .Integrate somethingCatnip to attract cat's attention and interest through smell. Auto Scroll & LED Chaser- Just press the button, our cat toy ball will automatically move randomly and emit red light or colorful light to attract your cat's attention. He can tooautomatically change direction when colliding with obstacles such as a wall, chair, door, etc. Refillable & Timers & Sustainable & Safe - Fully charged in 2 hours and provides 3.5 hours of fun; 45-minute auto-off timer function to prevent your cat from losing interest in the cat toy ball, and perfectfor those who don't have time with their cats and dogs. Made of high-impact ABS plastic, wear-resistant and non-toxic, won't even break the wall, durable and safe for your pets. More Exercise for Health- Chasing around the LED Cat Chaser helps pet cats and dogs exercise more, enhance immunity, reduce obesity and banish boredom when the owner is away. Design features of the updated version:1. Automatic 360 degree rotation ball, automatically changing direction when colliding with obstacles, bringing fun and movement. 2. Improved version design: A. Come with a feather and a bell for cats to play with; B. Two light settings: red + colored light to attract cat's attention and interest by sight; C. Incorporate some catnip to get the cat's attention and interest through its scent. 3. Attracts the animals' attention and stimulates the hunting instinct with unpredictable movements, fully mobilizes their enthusiasm and excites them. 4. Upgraded version with USB charging, charge 2 hours, enjoy up to 3.5 hours of pleasure. 5. Timer function, auto shut off every 45 minutes, prevent your cat from getting too addicted to the toy ball. 6. Brighter LED light, the ball shot red light while moving, quickly attract your cat's attention and enjoy the fun. 7. Made of high-impact, non-toxic ABS plastic, won't even crack the wall, durable and safe for your pets. 8. Small size ideal for cats and puppies, intelligent hands-free interactive play. Specification: Diameter: 2.5 inch / 6 cm Weight: 3.5 ounces/100g Charging time: 1.5 - 2 hours Duration: 3.5 - 4 hours Material: impact-resistant ABS