NEC DiamondScan20C-HC3925 is a high-resolution color display monitor designed for use with personal computers. It features a 20-inch diagonal screen with a maximum resolution of 1280 x 1024 pixels at a 75 Hz refresh rate. The monitor has a built-in tilt and swivel stand for easy positioning, and it is compatible with both analog and TTL video signals. Additionally, the monitor has a number of user controls, including brightness, contrast, and color temperature, which allow you to customize the image to your liking.