... good uniformity 4Better after service P10 LED Display Board 1,SpecificationModule:P10 SMD 3-in-1LED Assembly TypeSMD 3-in-1,SMD3528Pixel Pitch10mmRefresh frequency480HzModule ... free, and lifetime maintenance, and offer free software upgrade service.7) Free train after order, and offer you the train course ... ,P16,P20 etc(6)LED Curtain:P31.25,P37.5,P40 etc(7)LED Curve or Round,Column LED Screen: P6,P7.62 ...