Led monitor touch screen monitor lcdtft monitor screen size 22 inches max resolution 1 920 x 1 080 pixel response time 5 ms aspect ratio 169 contrast ratio typical 1 0001 brightness 250 cdm widescreen dot pitch 0 254 mm pixel density 10013 ppi horizontal frequency range 31 5 80 khz vertical frequency range 50 75 hz number of dvi inputs 1 number of vga inputs 1 integrated feature speakers convenience features wall mountable suitable for