This article briefly introduces the design of the first LED exterior lighting demonstration project in Chongqing

China. With the help of a unique locally developed LED control system based on RS-485 BUS

a free edition and accurate control of a very large scale illumination pictures changed at any time has been achieved. This control system also increases the stability of the whole lighting system and extends the life-span of LED lamps. In this project

a new LED luminary has been developed. An important result of this project is helping local manufacturers to develop better products for the market and promoting development of local LED industry.