Disclosed herein is a remote controller capable of remotely controlling a plurality of devices. According to one embodiment of the present invention, the remote controller includes a transmitter to transmit a transmitting signal, a receiver to receive a reflective signal from a first reflection pattern, an image projector to project an image outward, an input unit provided with a plurality of buttons, and a controller to perform a control operation to enter a remote control mode for a first device corresponding to the first reflection pattern based on the reflective signal from the first reflection pattern and to perform a control operation to project a remote control window for remote control of the first device outward through the image projector. Thereby, remote control may be performed based on image projection.