A refrigerator comprising: a main body having a storage room ; a first door and a second door configured to open or close the storage room ; a rotation bar rotatably coupled with the first door , and configured to cover a gap between the first door and the second door , wherein the rotation bar comprises: a case having a through hole , an opening in one side, and a facing side formed along the longitudinal direction of the case to face the storage room , a cover coupled with the case to close the opening of the case , a metal plate coupled with the outer surface of the cover , an insulating member disposed in accommodating space of the case and having a groove disposed corresponding to the through hole , and a camera unit disposed in the groove of the insulating member , wherein the camera unit includes: a camera configured to photograph the storage room through the through hole formed in the facing side while the camera is facing the storage room , a heating unit arranged in the camera unit so as to transfer heat toward the camera to prevent frost formation on the camera , wherein the camera unit is moved to face the storage room as the first door closes or is moved to face away from the storage room as the first door opens. a main body having a storage room ; a first door and a second door configured to open or close the storage room ; a rotation bar rotatably coupled with the first door , and configured to cover a gap between the first door and the second door , wherein the rotation bar comprises: a case having a through hole , an opening in one side, and a facing side formed along the longitudinal direction of the case to face the storage room , a cover coupled with the case to close the opening of the case , a metal plate coupled with the outer surface of the cover , an insulating member disposed in accommodating space of the case and having a groove disposed corresponding to the through hole , and a camera unit disposed in the groove of the insulating member , a case having a through hole , an opening in one side, and a facing side formed along the longitudinal direction of the case to face the storage room , a cover coupled with the case to close the opening of the case , a metal plate coupled with the outer surface of the cover , an insulating member disposed in accommodating space of the case and having a groove disposed corresponding to the through hole , and a camera unit disposed in the groove of the insulating member , wherein the camera unit includes: a camera configured to photograph the storage room through the through hole formed in the facing side while the camera is facing the storage room , a heating unit arranged in the camera unit so as to transfer heat toward the camera to prevent frost formation on the camera , a camera configured to photograph the storage room through the through hole formed in the facing side while the camera is facing the storage room , a heating unit arranged in the camera unit so as to transfer heat toward the camera to prevent frost formation on the camera , wherein the camera unit is moved to face the storage room as the first door closes or is moved to face away from the storage room as the first door opens. <EOS>