Provided is a display apparatus including an image processing module and a display main body, wherein the image processing module includes: an image signal processor processing an image signal; a module terminal transmitting the processed image signal in a wired manner; and a module wireless communication unit transmitting wirelessly the processed image signal, and wherein the display main body includes: a main body terminal receiving the image signal from the module terminal which is detachably connected to the main body terminal; a main body wireless communication unit receiving the image signal from the module wireless communication unit; and a display unit displaying an image corresponding to the image signal; and a controller controlling the image signal to be transmitted selectively from the module terminal to the main body terminal or from the module wireless communication unit to the main body wireless communication unit.