Samsung QMC 55" Crystal UHD Signage Professional Display (LH55QMCEBGCXXA) - Resolution: 3840 x 2160 VA, Contrast Ratio: 4000:1, Response Time: 8ms, Brightness: 500nits, 16GB Flash Memory, Wi-Fi + Bluetooth, Connectivity: 3 x HDMI 2.0, 1 x DisplayPort 1.2, 2 x USB, 1 x IR in, 1 x Audio Out Stereo Mini Jack, 1 x RS232 in, 1 x RS232 Out, 1 x RJ-45, Wall Mountable: VESA (200 x 200mm), Operating System: Tizen 7.0