A projector includes: an external housing which forms an external case, wherein a bottom surface of the external housing as a surface opposed to an installation surface on which the projector is installed has feet contacting the installation surface, the feet has a first foot freely projected toward the installation surface and withdrawn from the installation surface, and a second foot disposed away from the first foot and projected toward the installation surface, and the second foot is inclined in a direction away from the first foot in such a manner that the inclination of the second foot increases in the direction toward the installation surface.