... of high resolution digital visualizer, control boxes, matrix and VGA splitter. Product advantages :1,2*8 VGA/XGA/SXGA/QXGA signal ... originally.5,Transmission distance:30-100 meters .6,Power Supply:DC 9V/500Ma . Cubage(L*W*H):205X68X56mm; Weight:520g .Extreme ... RGB switcher and splitterBandwidth 440MHzHigh-quality aluminum alloy shell VGA splitter,VGA switcher,CH218