Samsung interactive display
screen size inch 75.
display
diagonal size 75"
panel type va.
resolution 3,840 x 2,160.
pixel pitch (hxv, mm) 0.42975 x 0.42975
brightness (typical, cd/m2) 350 (220 with glass)
contrast ratio 4000:1(without glass)
viewing angle (h/v) 178/178.
response time 8