3, voltage complementary road lamp after two years, in fact, is the general road lamp
as a result of the solar power system software is relatively limited, could the LED street lamp, on the basis of the production, equipped with different, could the solar power system software in the middle of the five to eight years, could come to solar power system software is completed, sun system software is actually a put, is to rely on voltage at work, so did not have the practical significance of the original on environmental protection and energy saving.