According to one embodiment, device includes housing, first wall in the housing, first base, second base, mount, module, and combining portion. First base protrudes from first wall in thickness direction of first wall. First base includes first opening. Second base is at one side of first wall at which first base protrudes, and located nearer to one side of first base than to other side of first base in the direction. One side of first base is located nearer to first wall. Mount extends from one side of second base located farther from first wall in the direction to the other side of first base, and includes second wall including second opening which overlaps with first opening. Module includes third wall and body. Third wall is sandwiched between second base and second wall. Combining portion penetrates through second opening and inserted into first opening, and combines mount and first base.