Full Alluminum housing,f ine workmanship,good heat sink, compact design,easy installation high power led source,ultra bright Part NumberWavelengthcurrentForward VoltageLuminous Flux(nm)MADC(V)LmZY-YBD-3W/50012V200Full Alluminum housing,fine workmanship,good heat sink,compact design,easy installation high power led source,ultra brightness