... effeciency ≥ 65 - 85Lm / W,Compared with ordinary incandescent, metal halide lamps and general energy saving lamps, respectively, energy saving effect ... not cause eye fatique. It's trully environmental friendly "Green Lighting" 4.Full Color Temperature:2700K ~ 6500K red, green, blue ... than 99% recovery rate, is the real environmental green lighting 6.Hight Power factor: the power factor can be reached ...