... ±10% or 110V±10%5.master system:DVI display card+main controller card+transmission ,Optional6.main technology ... hand movement/auto9)video signal: RF,S-Video,RGB,RGBHV,YUV,YC,COMPOSITION etc.managing ability of signal ... size:8.064mx6.016m=48.51sqm,item is indoor P4 full color,high clearity,high refresh,all ... engineer went to USA install and debug the led display by themselves,it proves that we have the ...