Features:100% brand new and high quality.Material:Propene Polymer + ABSDiameter:10cmBatteries: AA Batteries*2 (Not included)Color (ball cover): Pink，Yellow，Blue，Green are all includedItem Type:Mini sweeping robot BallRated power: 2.5 (W)Power (W):<500Voltage (V):1.5vCommodity Type:Household CleaningPackage Include:1 x Automatic moving roll ball(without retail package)4 x Cleaning covers (4 colors)