... - 85Lm / W,Compared with ordinary incandescent, metal halide lamps and general energy saving lamps, respectively, energy saving effect more than 80%, 60 ... not cause eye fatique. It's trully environmental friendly "Green Lighting"4.Full Color Temperature:2700K ~ 6500K red, green, blue, ... time≤ 0.5 seconds, no need to preheat, instant start lighting can be.8.The Color Is Good, color rendering index ...