1 Lithium Ion batteries required.

Make sure this fits by entering your model number. 【Cat everyday's fun】cats busy to chase,pounce hunt irregular moving ball, make great daily fun. Migipaws upgrade cat ball size less than 2 inches. 【DIY N in 1 cat toys】Automatic moving ball + classic mice cat toy + nature feather Kitten toys in pack, Tie electric ball with plush mice or feather. Activated ball pull feather tail, mice irregular moving like real wildlife , Stir cat's hunting instincts, making fabulously enjoyment.