1.manufacturer=competitive price 2.we have CE/SAA/3C/RoHS 3.nice quality&quantity(25000p/m each product) 4.different grade Power SupplyMR16:12/24VDC/VACGU10/E27:100~240VACPFPF≥0.4Rated Wattage4WSizeD50mm*H(E26:77mm,GU10:62mm,MR16:55mm)Color Temperature3000K, 4100K , 6000KLuminous Flux245 lm, 270 lm, 280 lmCRI70Light Source3W*1 pcBeam Angle20°/40°PCS/CTN50PCS