The ASUS MS-226H 22" Class (21.5" Diagonal) Widescreen Ultra Slim LCD Monitor brings your workspace excellent visual performance with exceptional features. The MS-226H is built with HDMI input that ensures HD video signal integrity and image quality. The MS-226H auto adjusts the luminance of the backlight for better display according to the image content and improves the dynamic contrast ratio to 50,000:1, which results in more realistic depictions of night scenes during games or movies.