With the progress of science and technology, people for the use of light is more and more convenient, in particular, the emergence of LED lights, first volume reduction, very convenient, but not in the way. There is a bright light is also very good, especially as a street lamp, and now many places are using LED street lamps as the city's lighting, which can reduce the power of the loss, but also easy to replace. Now the technology is getting better and better, to the extent of the bright, LED street lamp is now beyond the ordinary street lamps to become the main body of urban lighting.