Remote controller with waterproof function

A remote control with a waterproof function, comprising:

• a case including an upper case having a plurality of button holes and a lower case assembled to the upper case at a lower portion of the upper case;
• a printed circuit board PCB embedded between the upper case and the lower case;
• and a rubber keypad embedded in the case so as to be positioned between the upper case and the PCB and having a plurality of buttons passing through the plurality of button holes, wherein barriers having upper ends and lower ends protruding upward and downward along the edges of the rubber keypad are provided respectively, and when the upper case and the lower case are coupled with the rubber keypad interposed between the upper case and the lower case, top surfaces of side portions of the lower case and the lower ends of the barriers are in close contact with each other and inner surface of the upper case facing to the barriers and outer surfaces of upper ends of the barriers are in close contact with each other, thereby providing waterproof function;
• and the inner surface of the upper case is formed with protruding walls for covering the outer surfaces of the barriers, and when the rubber keypad is coupled to the upper case, the barriers come into close contact with the inner surface of the upper case and the outer surfaces of the barriers and the inner surfaces of the protruding walls come into contact with each other;
• and the edge side portions of the upper case and the edge side portions of the lower case are fitted and coupled to each other, and portions between the edge side portions and the protruding walls of the upper case and the inner portions of the edge side portions of the lower case are coupled by means of screws.