High grade LED down lamp Brand Name / Ref.No LDF1004 Specification6 inch8 inchDo ... -5000k,6000-6500kLED Luminous efficiency LED110-125Lm/WColor factor>76%Power Factor>0.90Work environmentAmbient temperature :-20~+45°C, Relative humidity ... material is anti-corrosion,anti-abrasive material,advanced Electrostatic Spray technology,nice and elegance,artistic and smooth surface,relect light ratio ...