... cable (6.4M, 5.2M, 4M, each set of three sizes), aluminum box, weight stack Arm body, tripod Arm ... a main pillar, three side pillars, stand to ensure stability, security; Universal wheel car, lock or move, control and convenient; ... and vertical direction, damping switch; Integrated cable: video, power, system control line Head horizontal, vertical, switch; Power control switch; DV servo system Japan ...