The Barco MFGD 5421 is a 21" LCD greyscale diagnostic screen monitor designed for professional use. This high-quality monitor, with the model number MFGD 5421, offers a clear and detailed display for diagnostic purposes. The included power supply unit ensures that the monitor can be powered and used efficiently. With the reputable brand of Barco, this monitor is reliable and ideal for demanding applications requiring precise and accurate visual representations. Untested.