LED交通灯倒计时2位半3色倒计时

     1.采用先进的光学设计与超高亮LED相结合最大限度地满足光强、视角要求
       Advanced optical design and super high light LED can meet the maximum      

       requirement of light intensity and angle
     2.单片机控制，实现与信号机完全同步，进行只能跟踪，准确显示红、黄、绿等的工作 

       时间，确保交通安全Controlled by monolithic processor, it can operate       

       synchronously with the traffic light track on the target intelligently,       

       indicate the start time of red, yellow, green light exactly so to ensure       

       the traffic safety
     3.A、B、C型可最小显示1秒，最大显示99秒、199秒和999秒
       A、B and C types can indicate the minimum time of 1 second, the maximum    

       time of 99 seconds、199 seconds and 999 seconds respectively
     4.铝合金模具成型，美观牢靠，密封性好
       Pressing Molded by aluminum alloy, the appearance flat, handsome, and good 

       sealed