A watch type control device comprises: a band configured to surround at least a portion of a user's wrist; an IR module disposed on a side of the band facing the user's hand when the watch type control device is worn on the user's wrist, the user's hand and wrist being on the same side of the user's body; and a beam projector disposed on the band and configured to outwardly project a screen, wherein the IR module is configured to recognize a user's hand gesture and to initiate the execution of a program causing the beam projector to output on the screen a display corresponding to the program.