LED ball steep light or a kind of green light source. The dc drive, no stroboscopic; No infrared and uv ingredients, no electromagnetic radiation, show color of the high and strong directional light; Dimmer performance is good, color temperature changes won't produce visual error; Cold light source low calorific value, can be safely touch; These are all incandescent light bulb and energy-saving lamps short of, is to protect the vision and environmental protection health light source. And now commonly used energy-saving lamps internal filled with mercury steam, once the damage it will cause pollution, the health impact. So LED ball steep light instead of energy-saving lamps is the trend of The Times.