1.High efficiency COB LED (LED options:LUMAN/CITIZEN/SHARP maximize the power saving for metal halide replacement 2.High quality with up to 5 year warranty(Driver option:LUMAN/MEANWELL/TRIDONIC3.) 3.Environmental friendly:without mercury,ultraviolet(UV)and infra-red light 4.Quality materials providing 50000 hours lifetime 5.CE(Eurobe),CB(International),SAA(Australia)and ROHS