The LG 55UM7540 is a 55 inch Smart TV which displays content in 4K UHD resolution. Powered by Android OS, this smart TV has a slim build and offers high performance. Make entertainment life size with the LG 55UM7540 55 Inch 4K UHD Smart TV. The 4K Full HD 3840 x 2160 pixels resolution makes viewing exciting and life like. Also, with an upgraded webOS 3.0, this LG TV brings the power of the internet to the comfort of your lounge. HDR Pro adjusts screen brightness, while a 3D Color Mapping Algorithm enhances color reproduction. This smart TV also has a backlight control that adjusts the screen brightness and saves energy. Furthermore, to give you a complete sense of high quality entertainment, this TV has been integrated with an Ultra Surround Sound that makes entertainment larger and bigger. You can access the AppStore and download numerous apps that make life easy and entertainment fun.