hat
Trafik led siy diferan de troditional ki te ap dirije affiche, panneaux bò wout la. Li se strik sou èstrikti kabinè ak kontwòl sistèm plan. Yo gen tou strik mande estanda sou kalite poul, ki pral mande pou yon pi gwo bouya penetrability fonksyon. Espesyalman nan nivo a wouj ak vèt poul.
eng
Traffic led signs is different from troditional led displays,road side billboards.It is strictly on cabinet structure and control system design. Also has strictly request standard on the quality of leds, which will require an higher fog penetrability function. Especially on the standard of red and Green leds.