The monitor camera (9) comprises a pedestal (1) to be attached to a mounting surface, an imaging device (7) rotatably attached so as to be rotatable around the central axis L of the pedestal (1), and a dome-type cover (3) having a window (30) and being rotatably attached to the pedestal (1) so as to cover the imaging device (7). The dome-type cover (3) includes an inner cover (5) having an open window (50) in the position corresponding to the window (30) and an outer cover (4) placed over the inner cover (5). The outer cover (4) and the inner cover (5) have an engagement part (6) at which both the covers (4) and (5) are engaged by a specific manual operation of the outer cover (4).