Diagonal Size 75" Type Direct LED BLU Resolution 3840*2160 (4K UHD) Pixel Pitch(mm) 0.4296 x 0.4296 Active Display Area(mm) 1650.24 (H) x 928.26 (V) Brightness(Typ.) 300 nit Contrast Ratio 4000:1 Viewing Angle(H/V) 178/178 Response Time(G-to-G) 8ms(Typ.) Display Colors 16.7M(True Display) Color Gamut (NTSC) 72% Operation Hour 16/7 Haze 2% Dynamic C/R MEGA H-Scanning Frequency 30 ~ 81kHZ V-Scanning Frequency 48 ~ 75HZ Maximum Pixel Frequency 594MHz Sound Speaker Type Built in Speaker(10W + 10W)