55-inch conference smart whiteboard

Screen size 55" Backlight type D-LED Resolution 3840*2160 Brightness ≥350cd/m² Screen contrast 5500:1 Response time 6ms Pixel pitch 0.315×0.315 mm (H×V) Frame rate 60 Hz Viewing angle 178°(H) / 178°(V) Color saturation (x% NTSC) 72 % Viewable area 1209.6×680.4 mm (H×V) Color 1.07B(8bit) Lifespan 30,000 hrs Chip T982