Main screen specifications: Screen size: 24 inches (actual viewable area 23.6 inches). Display resolution: Full HD (1920 × 1080) pixels. Panel Type: TN technology. Refresh Rate: 60 Hz (up to a maximum digital frequency of 75 Hz). Response Time: 5 milliseconds (GtG). Contrast Ratio: 1000:1 static contrast. Aspect Ratio: 16:9 (widescreen). Brightness Level: 250 nits/m2 (cd/m2). Ports: 1 x HDMI 1.4 port. 1 x VGA (D-Sub) port. 1 x 3.5mm audio port (headphone output).