LG Hotel Pro Centric 49" UHD TV (43UT661H) - Resolution: 3,840 x 2,160 (UHD), Brightness (nit): 400, Backlight Unit Type: Direct, Audio Output: 10W + 10W, Speaker System: 2.0 ch, Interface: Set Side: HDMI In 2.0, USB 2.0 (2), CI Slot, Set Rear: HDMI In (HDCP, 2.0) (2), RF In (2), Digital Audio Out (Optical), RS-232C (Control&Service), Clock Interface (RJ12), RJ45 (Usage Purpose : 2 (Ethernet, Aux)), External Speaker Out (3.5mm Phone Jack) : 2 (Spk-out 1, 4W (Stereo, R : 2.0W, L : 2.0W, 8Ω) - Vol. Control1), Vesa: 300 x 300