... . Life : life expectancy has increased 10 times, 10 times than Halogen Lamp 4. Color temperature:3000K, 4300K, 6000K, 8000K, 12000K and any ... function 11.Constant power design, prolong working life of the lamp more than50% Color Temperature: 4300k, 6000k, 8000K, 10000K, 12000K;Steady ...