Hd monitor screen size 238 inches max resolution 1 920 x 1 080 pixel lcd technology a mva response time 4 ms contrast ratio dynamic 12 000 0001 contrast ratio typical 3 0001 brightness 250 cdm refresh rate 60 hz widescreen dot pitch 0 275 mm viewing angle 178178 hdcp enabled horizontal frequency range 30 80 khz vertical frequency range 55 75 hz number of hdmi inputs 1 number of dvi inputs 1 number of vga inputs 1 usb 20 ports 2