One : Intelligent lighting control system with a variety of different "pre-set" control mode and control components, different time and different environments of light illumination precise Settings and reasonable management, to achieve the effect of energy saving. Two: whether heat radiation light source or gas discharge light source, the fluctuation of power grid voltage is a major cause of light source damage. The life of light source can be prolonged effectively by suppressing the fluctuation of grid voltage. Three: reasonable selection of light source, lamps AND lanterns and excellent lighting control system, help to improve the quality of lighting. Four: a variety of lighting control methods, can make the same building with a variety of artistic effects, add a lot of color to the building.