... , real-time transmission and so on.Our LED display has the following characteristics: 1 , the display of advanced technology, beautiful shape. 2 , Screen ... problem. 5 , the "three" technology to ensure the printed circuit board 20 years without corrosion. 6 , a modular design, easy to ... moisture, corrosion, flame, dust, high temperature, anti-static, anti-rat Full Color LED Display