The Ben Q LED monitors come with an ultra-high dynamic contrast ratio of 5, 000, 000:1 to add colour depth & definition to darkened & complex visuals, so that everything you see – from the brightest white to the darkest black – is perfectly rendered to deliver the most incredible picture performance. With the help of LED backlight technology & its capability to promptly address the lighting changes, every image detail is perfectly rendered with optimized colour & brightness performance without light leakage even in darkened scenes. This is especially true for the black & yellow colour gamut. The Ben Q LED monitors are backlit by performance-steady LEDs to give you the most stable brightness & flicker-free settings. Their instant-on capability boosts operational efficiency, keeping everything is picture-ready from the moment you turn on your screen. Screen: 21.5" full HD (1920 x 1080) Brightness: 250 cd/m 2 Dynamic Contrast Ratio: 5million:1 Response time: 5ms Connectivity: DVI & D-sub Vesa Wall mountable (100mm x 100mm)