Led monitor touch screen monitor series iiyama prolite screen size 17 inches max resolution 1 280 x 1 024 pixel lcd technology tn response time 5 ms aspect ratio 54 contrast ratio typical 1 0001 brightness 225 cdm viewing angle 170160 horizontal frequency range 31 4 80 khz vertical frequency range 56 75 hz number of dvi inputs 1 number of vga inputs 1 monitor connection usb convenience features multilingual osd kensington lock dvi spe