LG 75UR640S 75" 4K UHD TV Signage Display (75UR640S) - Resolution: 4K 3840 x 2160 Direct LED, Contrast Ratio: 1200:1, Response Time: 8ms, Brightness: 330nits, Wi-Fi, 2 x 10W Speakers, Connectivity, Side: 3 x HDMI 2.0, Headphone Out, RS-232C, LG SVC Only, CI Slot, Rear: USB 2.0, 2 x RF In, Digital Audio Out (Optical), External Speaker Out, RJ45 (LAN), Wall Mountable: VESA (400 x 400mm), LG webOS 6.0, TV License Required for Purchase