½Å±Ô ¹æ¼ö½ºÀ§Ä¡ Á¦Ç°À» °³¹ß, ÆǸŠÁøÇàÇÕ´Ï´Ù.we did develop the goods of waterproof switch .if you need samples, let us know it. we will do support your company. thanks.