看片神器免费,人善交OOOOOO另类,国产精品亚洲专区无码牛牛,国产欧美成人一区二区A片

CN / EN
Environment Transportation Meteorology

LED Display Screen

Release time:2018-05-22 17:49:23Read times: time

Simple primary colour


Dual primary colours                                                                                                          Full color


LED display screens are categorized into monochrome, bicolor, and full-color displays. They primarily function by receiving real-time traffic conditions and directives from traffic management authorities, promptly displaying various traffic information. This facilitates effective control and balanced distribution of traffic flow, ultimately enhancing road utilization.


Copyright ? 2018 Landun Photoelectron Co., Ltd. All rights reserved