... 5 , the "three" technology to ensure the printed circuit board 20 years without corrosion. 6 , a modular design, easy ... has a noise reduction, enhancement, motion compensation. 14 ,with the image edge enhancement technology to display images clearer, more ... editor. 18 ,system environment, adaptable, with moisture, corrosion, flame, dust, high temperature, anti-static, anti-rat Full Color LED Display