... heat dissipation 3. Soft and even light output 4. Long life-span GU10 LED Lamps5W: Sharp LED Chip,400lm(WW),425lm(CW)6W ... . Easy 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 ...