An electronic device in which a waterproof structure is formed without hindering a lever operation to a lever switch is provided. A device main body has a housing member in which an opening is provided to house a switch main body, and a cover member that is engaged to the housing member to form at least a part of the front surface of the device main body, and the device main body has an elastic sheet arranged at a rear surface side of the cover member to cover the opening of the housing member, having a shape extending to a position overlapping with engaging surfaces between the housing member and the cover member, and having an outer edge portion interposed between the engaging surfaces of the housing member and the cover member, and a bottomed cylindrical portion that projects from a front surface of the elastic sheet.