LG 55UH5Q-E 55-inch 4K UHD Signage Display (55UH5Q-E) - Resolution: 3840 x 2160 ADS, Contrast Ratio: 1200:1, Response Time: 8m (G to G), Brightness: 500nits, Refresh Rate: 60Hz, Operation Hours (Hours / Days): 24 / 7, 16GB Internal Memory, Built-in Wi-Fi + Bluetooth, Connectivity: 3 x HDMI In 1.4, 1 x HDMI In 1.3, 1 x RS232C In, 1 x RS232C Out, 1 x IR In, 2 x USB 2.0 Type A, 1 x Audio Out, 1 x RJ-45, Wall Mountable: VESA (300 x 300mm), LG webOS8.0