Rear view monitoring device

A rear view monitoring device, comprising:

• a display unit which is provided on both sides of an instrument panel of a vehicle in a vehicle width direction and displays, to a driver, a captured external image;
• and
• a housing which is formed to surround a periphery of the display unit,
• wherein the housing includes
• an opening portion formed on a display surface side of the display unit,
• an upper surface disposed above the display unit,
• a side surface which is disposed outside the display unit in the vehicle width direction and faces the outside of the vehicle, and
• an overhanging portion which straddles the upper surface and the side surface, extends above the instrument panel, and overhangs outward further than a pillar in the vehicle width direction, wherein the pillar is configured to constitute a part of a frame of a side door of the vehicle on the first side in the vehicle width direction and projects in a vertical direction, and
• at least the overhanging portion is formed to have a downward gradient toward an outside of the vehicle in the vehicle width direction.