An integrated overhead console assembly for a vehicle, comprising: a camera module configured to capture a forward image of a vehicle in a direction of travel, the camera module including: a lens for converging light constituting the forward image; an image sensor coupled to a rear end of the lens to detect the image converged through the lens; and an image processing board electrically connected to the image sensor and horizontally disposed below the lens and the image sensor; a multi-display unit configured to provide a driver with a display of the forward image or a reflection of a rear view image of the vehicle; and an overhead console case assembly providing an installation space for accommodating the camera module and the multi-display unit such that the camera module is hidden from an interior of the vehicle, whereas the multi-display unit is exposed to the interior of the vehicle, wherein the multi-display unit is spaced apart from the image processing board by a predetermined distance wherein the lens comprises a pair of lenses, and the image sensor comprises a pair of image sensors, and wherein the camera module comprises: a camera holder; a mounting part to which the pair of lenses and the pair of image sensors are coupled in a state of being longitudinally spaced apart from each other and through which the lenses and the image sensors are coupled to an upper surface of the camera holder; and a lower cover assembly which accommodates the image processing board and through which the image processing board is coupled to a lower surface of the camera holder, wherein the lower cover assembly is made of highly thermally conductive material, and is in contact with a heat generating region of the image processing board. a camera module configured to capture a forward image of a vehicle in a direction of travel, the camera module including: a lens for converging light constituting the forward image; an image sensor coupled to a rear end of the lens to detect the image converged through the lens; and an image processing board electrically connected to the image sensor and horizontally disposed below the lens and the image sensor; a multi-display unit configured to provide a driver with a display of the forward image or a reflection of a rear view image of the vehicle; and an overhead console case assembly providing an installation space for accommodating the camera module and the multi-display unit such that the camera module is hidden from an interior of the vehicle, whereas the multi-display unit is exposed to the interior of the vehicle, wherein the multi-display unit is spaced apart from the image processing board by a predetermined distance a lens for converging light constituting the forward image; an image sensor coupled to a rear end of the lens to detect the image converged through the lens; and an image processing board electrically connected to the image sensor and horizontally disposed below the lens and the image sensor; a multi-display unit configured to provide a driver with a display of the forward image or a reflection of a rear view image of the vehicle; and an overhead console case assembly providing an installation space for accommodating the camera module and the multi-display unit such that the camera module is hidden from an interior of the vehicle, whereas the multi-display unit is exposed to the interior of the vehicle, wherein the multi-display unit is spaced apart from the image processing board by a predetermined distance wherein the lens comprises a pair of lenses, and the image sensor comprises a pair of image sensors, and wherein the camera module comprises: a camera holder; a mounting part to which the pair of lenses and the pair of image sensors are coupled in a state of being longitudinally spaced apart from each other and through which the lenses and the image sensors are coupled to an upper surface of the camera holder; and a lower cover assembly which accommodates the image processing board and through which the image processing board is coupled to a lower surface of the camera holder, wherein the lower cover assembly is made of highly thermally conductive material, and is in contact with a heat generating region of the image processing board. a camera holder; a mounting part to which the pair of lenses and the pair of image sensors are coupled in a state of being longitudinally spaced apart from each other and through which the lenses and the image sensors are coupled to an upper surface of the camera holder; and a lower cover assembly which accommodates the image processing board and through which the image processing board is coupled to a lower surface of the camera holder, wherein the lower cover assembly is made of highly thermally conductive material, and is in contact with a heat generating region of the image processing board.