Panel Size : 55-inch Brightness (cd/m2) : 500 Bezel to Bezel (mm) : 3.5 Backlight Category : LED Optimum Resolution : 1920x1080@60Hz Viewing Angle : 178°, 178° Contrast Ratio : 1400:1 Response Time : 8ms Display Color : 1.07 B Mullion Size : 3.55mm Shell Material : Sheet Material