Original Traffic Solution provides a series of 400mm LED traffic Light with different styles, including RYG full ball signal light, RYG arrow traffic signals, RYG full ball and bi-color traffic signal, RYG full ball with red countdown timer LED traffic signals, R&Y full ball with three green arrows LED traffic signals, LED traffic signal lights with RYG arrows integrated into one, red cross and green arrow LED traffic signal lights and LED countdown meters. The Housing Material has PC or Die-casting Aluminium two kinds.