especially use at indoor stage,stadium,school,railway station place,low cost,high ... the phenomenon of color spot looking from the right side when it turns to be all white,and also ... the clean picture.13)malfunction dot rate:14)switch power loading:5V/40A15)display mode of computer:1024×768 ;1024× ... the total size:8.064mx6.016m=48.51sqm,item is indoor P4 full color,high clearity,high refresh,all of ...