... frequency50Hz/60HzTV outputNTSC/PALUSB interfaceUSB2.0Power interface5V 500MABatteryBuilt-in polymerized lithium batterySystemrequirementWindows 2000/XP/Vista/Windows 7,MAC OS x 10 ... this kind of questions,and like you,they,too,more or less know this market regulations and I ask them: ... condition.2. shipped by EMS,UPS ,DHL,FEDEX,TNT or Air shipment which depends on your choice. 3 testing procedure ...