3、Power-saving: In the energy efficiency aspect, the led sign lights have very obvious advantages; one is low energy consumption that is very meaningful to the applications of lights. Almost 100% excitation energy of led traffic signal lights is visible light, but the halogen tungsten lamp bulbs are only 20%.
4、Low heat : Led display sign is replacing electrical energy directly into the light, produce the low heat. The cooling surface of LED traffic signal lights can avoid the scald to the maintenance personnel; get the long using life, as the quality led
5、Long using life: The work environments of traffic lights are pretty bad, so, it high requirements of lights reliability. The average life expectancy of the general lights with incandescent bulbs is 1000h; the average life expectancy of the low-voltage halogen bulb is 2000h, so the maintenance cost is very high. The led sign display has no damage caused by filament shock and few glass rupture problem.