. Special structure: through the controller can publish traffic signs and patterns.

. The power consumption of the display screen is low, and the battery is used for direct power supply without generator and noise pollution.

.  High brightness, large Angle of view, adjustable brightness, horizontal Angle of view can reach plus or minus 60 degrees, can be effective under sunlight, night, fog, rain and other circumstances.

. The controller can change the content of the display screen for convenient use.

. Storage capacity and display mode: the display screen can store 99 pieces of information, and can be made into scroll screen, flip screen, 2 words, 4 words, 8 words or multiple words, etc.