LED lights are different from ordinary street lamps. LED light source is supplied by low-voltage DC power and GAN based power type blue LED with yellow composed into the high-efficiency white light. It has unique advantages,such as high efficiency, safety, energy saving, environmental protection, long life, fast response, high color rendering index,so LED lights can be widely applied to roads. The cover can be made with high-temperature resistancy up to 135 degrees and low-temperature resistance.