LG 55LW540S 55 LW540S Series SuperSign TV Full HD Edge LED-Backlit Commercial LCD TV Brightness: 300 cd/m2 VESA Compatible: 300 x 300mm HDMI Port: 1 USB Port: 2 Ethernet Port: 1 Other Ports: RF In, AV In (Sharing with Component In), Component In, Optical Audio Out, RGB In, PC Audio Input (Sharing with Component In), RS-232C, External Speaker Out Power Supply: 100 ~ 240V, 50/60Hz Power Consumption: Typical (Watts): 54.6 Stand-by (Watts): 0.5