Make sure the color and luminance levels of your video are consistent and within spec. while saving valuable working space with the VSM-200 waveform / vectorscope monitors. VSM-200 has two vs/wfm units. With two monitors, no separately-bought external screens are necessary to begin analyzing your video. This rack-mounted unit allows a great deal of space saving, perfect for use in a production van or in any other setup where room for equipment is limited. The WFM/VS outputs can easily be viewed on a large external monitor using the HDMI outs.