Compared with the high pressure sodium street lights, the LED street lights can save 65% of the energy. The reason is that LED lights have a high luminous efficiency, which means that for the same brightness, LED lights need fewer watts than the high pressure sodium lights. LED lights are a cold light source, so they will not emit too much heat while lighting. Portanto, most of the energy is used to produce light.
Mais leitura: Quantos lúmens eu preciso para iluminação externa?



