Planar EP5814K-T 58 4K LED Interative Touch Panel Display Brightness: 480 cd/m2 Contrast Ratio (Typical): 3000:1 Viewing Angle: 178°(H) / 178°(V) VESA Compatible: 200 x 400mm Operation System: Windows 7, 8, 10, Vista, XP, Mac OSX and Linux HDMI Port: 4 VGA Port: 1 USB Port: OPS USB 2.0 x 2, OPS USB 3.0