... of high resolution digital visualizer, control boxes, matrix and VGA splitter. Product advantages :1,2*8 VGA/XGA/SXGA/QXGA signal ... when pull out/plug into with electricity;4,Use low-power high-bandwidth chip, the perfect image is kept originally.5 ... ,Transmission distance:30-100 meters .6,Power Supply:DC 9V/500Ma . Cubage(L*W*H):205X68X56mm; Weight ...