ACER EK251Q P6BI Widescreen ; Screen Size 62CM 24.5-IPS ; ZERO FRAME LCD Monitor ; Full HD-1920 x 1080 (Aspect Ratio 16:9; Response 1 MS ;Refresh Rate 144 Hz; Colour Support 16.7 million ; Contrast Ratio 100,000,000:1; Viewing Angle 178° (H), 178° (V)Brightness 250 cd/m²;Backlight LED ; Ports & Connectors HDMI®- D SUB Port™; Colours BLACK ;