DetailedDescriptionUSB1.1/2.0Pccamera(1).USB1.1/2.0HighspeedSensor(2).Computersystemrequirements:Windows98ME/2000/XP/Vista/Windows7(3).VGA:30fps(4).Lens: 2G/3G/5Glens(5).Manualopticalzoom(6).Built-inmicrophone/externalmicrophone(7).With 4ledlights(8)linecontrollights(9).highquantitycmossensor(10).autowhitebalanceandexposure(11).fashionabledesign,betterchipsetwithhigherperformance