Material: ABS Color: yellow green/orange blue Size: Chassis diameter 19.5, chassis height 4cm You need to buy and install two AAA batteries yourself 360 rotation to tease the cat, release the cat's hunting instinct, automatically play with the cat, but the cat can play by itself even if you are alone Detachable design, hand-held cat teaser, more intimate interaction with the main pet Funny bell ball cat play plate, the base of the toy is a bell ball turntable, it is more interesting for cats to catch and play The Feather Cat Teaser needs to purchase two AAA batteries by yourself. After installation, turn on the switch to start the happy play cat enrichment toys will help keep your indoor cat stay physically and mentally active with multiple ways to play! Hands-off ways to keep your indoor cat entertained. More fun with multiple cats! Burn off your cats energy and stimulate their hunting instinct!