... IN,USB portCan be connected to 3G Mobile Phone, IPHONE,IPOD, PDA, DV, VCD, DVD,MP4 and other digital products ... AV IN ,can be connected to 3G Mobile Phone, IPHONE,IPOD, PDA, DV, VCD, DVD,MP4 and other digital products ... signal,TwinView of computerCVBS signalBCVBS signalSignal outputRGB888Aspect Ratio43Projection Image Size20"-80"Projection Distance0.68M-2MBest projection image20" 0.68MVideo format ...