The present disclosure relates to an electronic apparatus including: a camera; a display unit; a processor configured to monitor a passenger, based on a vehicle internal image data generated by the camera; a printed circuit board configured to be electrically connected to the camera, the display unit, and the processor; a case configured to form an outer shape by being coupled to the display unit with the printed circuit board interposed therebetween; and a mounting portion configured to fix the case to a portion of a vehicle seat.