Gaming monitor 4k monitor series iiyama g master screen size 28 inches max resolution 3 840 x 2 160 pixel lcd technology tn response time 1 ms aspect ratio 169 contrast ratio dynamic 12 000 0001 contrast ratio typical 1 0001 brightness 300 cdm refresh rate 60 hz widescreen dot pitch 0 16 mm viewing angle 170160 hdcp enabled horizontal frequency range 30 135 khz vertical frequency range 24 75 hz number of hdmi inputs 2 number of