Touch screen monitor lcdtft monitor accutouch technology screen size 19 inches max resolution 1 280 x 1 024 pixel response time 5 ms aspect ratio 54 contrast ratio typical 1 0001 brightness 300 cdm dot pitch 0 294 mm viewing angle 160155 pixel density 8627 ppi horizontal frequency range 31 5 80 khz vertical frequency range 56 75 hz number of vga inputs 1 monitor connections usb rs232c ergonomic properties tilt function convenience fe