... life-span 4.Environment protect led lamp Reflector GU10 LED Lamp 5W5W: Sharp LED Chip,400lm(WW),425lm(CW)6W: Sharp LED Chip,480lm(WW),510lm ... to install and maintain ,replace traditional spot light directly4. Good quality and good heat dissipation.5. Long life span , low cost ... of maintenance.6. Energy saving and high luminous intensity, energy consumption can be 30% of traditional spot ...