... state of random mode(different conbinations of ball speed,fixed point,flat stroke, horizontal, vertical, lob, top spin, back spin, ... button Remote control: ball speed, feed frequency ,work/pause, fixed point/flat stroke, horizontal/vertical, lob,random, top spin, back spin ... 230 Accessory:charger, ball-sepetating device Weight32KG Sizethree packages: 1.main machine: 65*67*69(cm)2.Portable battery box ...