Outdoor street light has always been a city, country, roads, highways, Bridges and other public facilities necessary lighting equipment, it brought a lot of convenience to our life, but at the moment, if installed ordinary street lamp, its power consumption is very high, according to statistics, China in 2007, a total of 17 million ordinary street lamp, and installation, while its annual electricity to achieve tens of billions of yuan of above, if we can save the cost of electricity, will be able to largely expand our economic development, the development of solar street light is to replace the ordinary street lamp is very good. By solar energy into electrical energy is a set of solar street lamps lighting system is installed it does not need to use power lines, likewise not consume electricity, on the hand has saved the cost of electricity, solar street lamps and solar street lamps use it is very significant in the short-term gains, and, of course, this also is in the shortest possible period to accelerate the change of China's energy structure is the most effective rapid spike and how fast to save. Solar street light price is not so expensive, we think it is similar with ordinary street lamp cost, at the same time, solar street light illumination brightness is very good, can't astigmatism, environmental health, we in the choice of solar street lights, please don't covet is cheap, it depends on the size of the solar street lamps factory and credibility, the solar energy street lamp manufacturers to make products is guaranteed.