Builted in two LED,penetrating surfaces covers to illuminates pattern,easily to find the Switches in dark. Aluminum panel and well conductivity 5 pin,effective waterproof and,ensures long terms durability. Easily install in both 12 V and 24 V vehicles,SUV,boats,marine. Perfect for controlling LED light,fog light,head lamp,taillights and auxiliaries lamp. Waterproof designs,can be safely use and well work for marine boats.