solar traffic speed sign：

1 display mode： 3-digit LED display(optionally)
LED size:70x36cm   frame size :90x70x24cm   sign size:1940x940mm
2 power supply：solar power ,   solar panels  80 W ,  battery 12V65ah
3 working voltage：12V ，working current：<1.5A ， measurement range from：1-199km/h
4 speed limit display：display for the green Numbers within safe speed and red Numbers
if speed limit is exceeded.
5 application：urban rapid road，highway，Suburban cables，speed limit road such as
Authority & universities.
6 for three or four lanes at the same time.。

LED display feature：

LED：5mm diameter，lifetime: one hundred thousand hours

LED color：red & green，the brightness of single red lamp: 6000-8000mcd , angle 25°

the brightness of single green lamp: 13000-15000mcd，angle 35°

Display uses 7 yards of paragraphs, each stroke period of red and green leds 30, high brightness which can be clearly seen from 1000 meters.