Led monitor series lenovo thinkvision screen size 28 inches max resolution 1 920 x 1 080 pixel lcd technology mva response time 7 ms aspect ratio 169 contrast ratio dynamic 3 000 0001 contrast ratio typical 3 0001 brightness 300 cdm widescreen viewing angle 178178 number of hdmi inputs 1 number of displayport inputs 1 number of vga inputs 1 monitor connection usb x2 ergonomic properties pivotable tilt function swivel function suitabl