... year warranty; 3.long lifespan; 4.high brightness P18 led moving sign Pixel pitch:18mm,Size of module:288*144mm,Density ... of pixel:3086/square meter,Pixel constitution:2R1G1B,LED encapsulation:DIP546 ... temperature:-20~50celsius degree,Working voltage:220V.or 110V, LED moving sign design for outdoor video advertising use, the important feature ...