1,Stainless steel 316 2,With semileds led chips 3,IP68 4,3W, 6W, 9W, 18W, 27W, 36W etc 5, ... current driver 2012 Wholsale High power 6x3W LED Navigation lamp Features: 1), Super-clase high power LED which is encapsulated by high efficiency ... damage, and when environment temperature and voltage is normal, the lamp also work normal.6), Professional waterproof design and prevent seawater ...