Touch screen monitor led monitor hd monitor intellitouch plus surface acoustic wave technology screen size 32 inches max resolution 1 920 x 1 080 pixel response time 7 ms aspect ratio 169 contrast ratio typical 3 0001 brightness 350 cdm widescreen dot pitch 0 369 mm viewing angle 178178 pixel density 6884 ppi horizontal frequency range 31 80 khz vertical frequency range 47 63 hz number of dvi inputs 1 number of vga inputs 1 convenience