... instead of traditional stage backcloth for event show in stage 2.It's SMD LED as video (p150-SMD) soft net led ... )BrightnessR,G,B each color 256 gray.Input signalRF,S-Video ,RGB,RGBHV,YUV,YC,COMPOSITIONControl systemDBQ-2007 controller + HUB ... )Life-span100000hoursMalfunction dot rate0.0001Operation systemWIN98 ,WIN2000 ,WINXPOperate SoftwareXMPlayer Soft Video Wall (P150-SMD) soft net led screen