Light source: High-power LED of CREE from a Authorized chip Packaging company (NASSLI- LED Partner), to ensure the color stability and luminous flux maintenance rate of lamp adequately.Power supply: Mean  Well  or  Tridonic (NASSLI-LED  Partner) efficient high-power LED street light driver, improved the reli-ability and stability of the lamps.Light distribution: The second optical design with independent intellectual property right(Nassli- LED partner),not only improved the efficiency of lamps but also distance against height ratio in 1:4. Heat output: modular design, to make the light fitting used airflow from all directions much better, it ensures the temperature rise of the lamp.