Volitation III is the most well-found of function Tennis ball Machine by the top-grade designer. Compared with the same Tennis Tutor Machine, his character is fresh and clear, vogue but have vitality, it is "nobility" within the Tennis ball Machine. Volitation III mainly has the following special functions: 1,Various shoot tennis ball type: flat, lobe, topspin ,underspin,left-spin ,right-spin and high ball. 2 ,Inside place super capacity accumulator, motive powerful, continuous work to reach 6-8 hours 3 ,Dual control mode,the front-panel operation and wireless remote control. 4, Power supply system: Freely choosing the AC or the DC power . 5,Its shoot ball frequency can be random adjustable 6,Its shoot ball strength and speed adjusts automatically. 7,Can fold direction-handle,enduring attrition PU direction wheel,move convenience. 8,Freely setup fixed position or different position serve. 9,Ball basket super capacity: 360. Cubage: L* W* H= 72* 44*72(cm). Weight: 58 kgs(inside place accumulator type);44 kgs(external link accumulator type).