Monitor colour: Black/Silver,Screen size (inch) :28 inch,Resolution :3840x2160,Response time (GtG) :1 ms,Backlight:WLED,Flicker-free ,Aspect ratio:16:9,Brightness (typical):300,Contrast (dynamic):80M:1,Contrast (static) 1000:1, Pixel Pitch 0.16, Active Screen Area (HxW) :620.93 x 341.28 mm,Viewing angle (CR10): 170/160 º,Display Colours: 1.07 Billion,Bezel Type:Normal,Scanning Frequency:30-99khz/50-76hz,Connections :Signal Input HDMI 2.0 x 1,DisplayPort 1.2 x 1, VGA, DVI,Displayport Version 1.2, Audio output Headphone out (3,5mm)