... Basic configuration: inverted triangle wind hole arm body, tripod, triangular pulley, slip-ring electric unlimited rotation PTZ camera controller (S / ... bearing 30KG; Body arm hole design for the inverted triangle wind, more atmosphere, more beautiful, more stable; Arm ... For SONY, JVC, Panasonic DV, small HD camera Ship camera lens zoom control buttons; Camera REC start / stop button; Control handle; ...