21. 5" Full HD (1920 x 1080) Widescreen TN DisplayResponse Time: 5msBrightness: 200 cd/m2Ergonomic Tilt: -5 degrees to 25 degreesPorts: 1 x DVI & 1 x VGA (VGA Cable Included)Connectivity Technology: HdmiViewing Angles: 90 Degrees Horizontal and 65 Degrees Vertical..