... With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W, 27W, 36W etc 5,Constant current driver 2012 Wholsale High power 6x3W LED ... Navigation lamp Features: 1), Super-clase high power LED which is encapsulated by high efficiency ... to use in sea water freely. 3), High luminous efficiency, life-span reachs 50,000 ... Marine Lights: 2012 Wholsale High power 6x3W LED Navigation lamp