Monitor Dell 54.64'' 136.7 cm, LED IPS In Glass™ touch technology, 3840 x 2160, 4mm heat tempered glass, Glass Hardness: 9H, Cover Glass Coating: AG, AS, 5% haze, Aspect Ratio: 16:9, Response Time: 8 ms, Brightness: 350 cd/m² (typical), Contrast Ratio: 1000 to 1 (DCR), Viewing Angle: 178° vertical / 178° horizontal, Color Support: Color Gamut : Color Gamut: 72% (CIE 1931), Number of Colors : 1.07 billion, Pixel Pitch: 0.315 mm x 0.315 mm, Connectivity: 3x HDMI 2.0, 1x DisplayPort 1.2, 1x VGA, 1x Audio Input, 1x Headphone Output, 1x RJ 45, 3x USB 3.0, 1x USB dedicated charging port, 1 x RS232, Security suport monitor Dell Large Fusion Fixed Flat Panel Wall Mount