DESC: The NEC MultiSync MD Series, a family of medical grade LCDs, has been designed exclusively for the demanding needs of the diagnostic professional. This series embodies the precision, high performance and intelligence youd expect from a world leader in display technology. The medically certified 21.3 grayscale 2-MegaPixel and 3-MegaPixel displays feature the X-Light technology, which allows for consistent brightness and white point levels throughout the life of the monitor and provides the basis for excellent diagnostic quality.