The Ikegami TM9-3DRM21 is a set of 9" standard definition 16:9/4:3 switchable rack monitors. Built to be reliable and durable, the monitors can be used with almost any AC source around the world. This combined with the ability to process both NTSC and PAL signals make them perfect for studios no matter what the region. The monitors come equipped with two standard composite inputs, Tally, and an SD-SDI interface for pure digital video transmission. The monitors take up 5 rack units (RU.)