Diagonal Size 75" Type New Edge, 60Hz Resolution 3840*2160 (4K UHD) Brightness(Typ.) 350 (without glass) nit Contrast Ratio 4000:1 Viewing Angle(H/V) 178:178 Response Time(G-to-G) 6ms(Typ.) Operation Hour 16/7 Haze 8%~12% Input Video HDMI 2(Rear 1, Front 1), DP 1, USB C(Front), OPS I/F USB 2(For SoC, Rear/Front), 1 (for external 3.0x1(Front)) Output Audio 1(Stereo Mini Jack) Touch Out Touch Out 2 (USB Upstream Type, Front 1, Rear 1) Touch Type IR # of Drawing 20 touch (internal/external) * Whiteboarding app works 4 drawing Touch Pen Type Passive Pen with magnet Object Recognition Range 2mm/ 4mm / 8mm / 50mm (Brush Mode : Dynamic Object Recognition) Touch Response Time 6.7ms Drawing Speed (Touch latency) 26ms Haze 8%~12% Thickness 3.2T Hardness Heat Semi-Strengthened Glass Additional Film AG Flim(Anti glare) Hydrophobic Coated PET (Shatter-proof flim) Antimicrobial Coating