High grade LED down lamp Brand Name / Ref.No LDF1004 Specification6 inch8 inchDo power15W,18W21W, ... -5000k,6000-6500kLED Luminous efficiency LED110-125Lm/WColor factor>76%Power Factor>0.90Work environmentAmbient temperature :-20~+45°C, Relative ... and elegance,artistic and smooth surface,relect light ratio is high.The glass adoptsanti-corrosion handling,low photoresistance,wonderful uniformity,no ...