monitor works perfeclty , only small scratches on screen Screen Size: 65" (64.5" viewable) Resolution: 4K UHD (3840 × 2160) Brightness: 500 cd/m² (nits) Contrast Ratio: 1200:1 Viewing Angle: 178° / 178° Response Time: 8 ms (G-to-G) Operating Time: 18 hours/day Panel Surface: Anti-glare, 25% haze Built-in Speakers: 2 × 10W (20W total) Connectivity 3 × HDMI (HDCP 2.2) USB-C with DisplayPort Alt Mode and up to 60W Power Delivery 2 × USB-A LAN (PJLink compatible) RS232C Audio In/Out Intel® SDM expansion slot Physical Dimensions (W × H × D): 1463 × 838 × 94 mm Weight: 29.7 kg VESA Mount: 400 × 400 mm Orientation: Landscape / Portrait