... way rolling effect 0-100%mechanical linear dimming(tunable from full blanking to full opening effect). ... of both horizontal and vertical motion, and tunable speed Each channel has light swap function(used ... spot projecting).12°-17°stepless zooming feature,freely tunable C,M,Ycolor mix,rich colors .C, ... M,Y color swap rate tunable(auto adjusting different colors).Two convective fans cooling ...