We specialize in the production, wholesales and export of high resolution of visualizer, central control system and VGA switcher Specification: ... Balance: Auto/ManualSplit Screen: Split Two Half Right/LeftImage Effect: Color/BW, Negative, Mirror, Text/Graphic, Brightness Control, Freeze, Electric ... Set up: 430*370*340mmFold: 430*370*150mmWeight: 5KGS high resolution visualizer, document camera PH-200W