Touch screen monitor lcdtft monitor accutouch technology screen size 17 inches max resolution 1 280 x 1 024 pixel response time 7 ms aspect ratio 54 contrast ratio typical 1 0001 brightness 250 cdm dot pitch 0 263 mm viewing angle 160160 pixel density 9642 ppi horizontal frequency range 31 5 80 khz vertical frequency range 56 75 hz number of vga inputs 1 monitor connections usb rs232c convenience features multilingual osd wall mountab