... 3,Easy to maintenance 4,Waterproof , dustproof P20 outdoor full color led signAdvantages: 1,High brightness,adjustable,could be ... it easy to maintenance P20 outdoor LED display sign specifications.No. 1Part No.outdoor full color video display2Pixel Pitch20mm3Pixel ... P20,P22,P25,etc.Different product could meet different need in viewing distance and resolution. P20 outdoor full color led ...