Display features: Using all-imported industrial-grade LED screen, Designed for CCTV. High brightness, High contrast, High definition. Adapt newest 3D digital filtering and 3D digital noise reduction technology. Picture fast response; 178 ° wide viewing angle; Ensure that the image display is not deformed. 7/24 working Status; Continue working 5 years. Metal chassis design, Anti-static, Anti-magnetic field, Anti-interference, no radiation. VESA size: 700x400 DISPLAY CHARACTERISTICS Screen Size 86'’ Active Display Area (mm) 1860mm(W)×1057mm(H) Display Mode 16:9 LED Type TFT-LED Resolution 3840 × 2160 Display Color 1.073G Pixel Pitch(mm) 0.248(H)×0.248(V) Brightness(nits) 350cd/㎡ Contrast Ratio 5000:1 Viewing Angle 178(H) /178(V) Touching No Support Backlight LED INPUT&OUTPUT DP x 1 HDMI 2.0 x 3 Speaker 2x3W(Stereo) VIDEO PAL/NTSC/SECAM Auto adjust, Brightness, Contrast, Hori. / Vert. Position, Clock, phase, Color, Language. POWER AC100V~240V,50/60Hz -30 to +85 ℃ ≦110W VESA mount/56kg Working hours: 50000Hours INCLUDED ACCESSORIES, Screw, Cable holder, Quick start guide