Bako p31.25 led display certification: UL,FCC,ETL,CE,ROHS,GOL,CCC 2 years guarantee high brightness life span: 100000 Hour P31.25 outdoor virtual pixel full color led panelpitch(mm)31.25cabinet size(mm)1000*1000brightness(CD/m2)4000module size(mm)250*250Pixel configuration (R,G,B) 4,2,2 Pixel matrix per module (dot)8*8 Pixel (dot/s.q.m) 1024 the optimum view distance 39-104m Gray scale (level) ...