1.OEM Waterproof Module LED PCB 2.UL,SGS,Rohs Certificate 3.Material based On Fr4/Aluminum 4.Delivery On Time Welcome to ... to 50,000Board ShapeRetangular,round,slots,cutouts,complex,irregularBoard TypeRigid, Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high Tg ...