... LED yacht light, CREE or Semiled chip,sea water corrosion-proof, water-proof (IP68), and shake-proof with ss316 or brass housing 18W LED ... Visibilityl Efficient optic design delivers bright, crisp illumination with even light distributionl Exceeds the recognized standards for color quality to ... and help meet your sustainability and comfortable targets. 18w led boat light with cree or semiled chips