If the first input costs and itself in terms of price, scenery complementary street lamp price is higher than ordinary street lamp price, but we also want to know, outdoor lighting lamps and lanterns can't only look at price, input costs and street lamp itself for the first time to see it in the future life and its later maintenance cost. If according to the operation cost and the service life of 15 years street lights maintenance cost into consideration, scenery complementary street light of life cycle cost is lower than the total cost of ordinary street lamp. And size, the greater the ordinary street lamp installation related cost is higher, such as the power expansion costs, set up power transformer, light energy, power cable, power factor compensation distance line power loss and lamps and lanterns of open control system and management personnel salary and relevant cost is taken into account the actual cost greater than the expected costs in this table. Above all, scenery complementary street lamps to save investment, scenery complementary street lamp price high cost performance characteristics are quite obvious, use green, environmental protection, renewable energy, an investment, long-term benefit. In the city square, beach, high-grade villas and other lighting project.