SV55 Surface Mount LED Gen II Robust light suitable for all boats up to 50ft Surface mount, simple installation Electroless nickel plated aluminum bronze, increases corrosion resistance. Borosilicate glass, very durable Available in white or blue LED COB high density chip, the brightest 4660 lumens, independently verified 12 or 24VDC 40.000 lamp hours 2 year warranty CE certified Click HERE for full technical specifications