"ACER B277 Widescreen LCD Monitor ; Screen Size 27; Resolution Full HD (1920 x 1080);Aspect Ratio 16:9; Response Time 4 ms GTG ;Refresh Rate 75 Hz; Colour Support 16.7 million ;Viewing Angles 178° Horizontal 178° Vertical; Contrast Ratio 100,000,000:1; Brightness 250 cd/m²;Backlight LED ; Ports & Connectors HDMI®-in VGA-DisplayPort™; Colours BLACK ; Weight (Approximate) 5.00 kg (with stand);Audio in (2 -speaker) ; Headphone jack ."