300mm Dot-matrix Countdowm Timer
-PC

to protect the safety of pedestrians, to give pedestrians the right toactively control the timing of crossing the street, to reduce the confict between pedestrians and vehicles, to enhance theconvenience of pedestrians crossing the street, especially in the case of larger traffic flow or fewer pedestrians, optimisingtraffic fow helps to rationally allocate the right of way, improve the overall capacity of the road, reminding vehicle drivers topay attention to the needs of pedestrians to cross the street, to improve the alertness of the traffic and safety.