To improve operability of remote operation for various pieces of information setting of a projector.

A remote controller includes: a user interface for allowing input operation of an operator; a remote controller part for controlling a projector body based on input operation of the operator through the user interface; a remote controller side communication interface for executing a bidirectional communication with the projector body; a first display part for displaying a user interface screen corresponding to the user interface based on the control of the remote controller part; and a second display part for displaying corresponding projection images corresponding to the projection images of the projector body received through the remote controller side communication interface based on the control of the remote controller part.