Touch screen monitor lcdtft monitor itouch technology screen size 185 inches max resolution 1 366 x 768 pixel response time 5 ms aspect ratio 169 contrast ratio typical 1 0001 brightness 250 cdm widescreen dot pitch 0 30 mm viewing angle 170160 pixel density 8471 ppi horizontal frequency range 30 83 khz vertical frequency range 50 75 hz number of vga inputs 1 outputs headphone jack monitor connections audio in line in usb rs232c