... 5,OEM&ODM available Key Features - High-sensitivity,high light-transmittance,anti-glare,vandal-proof SAW touchscreen- 17″,19″TFT ... RAM: 1GB (upgradeable on request)- Hard Disc: 250GB (upgradeable onrequest)Operation SystemLINUX/Win3.X/98/2000/NT4.0/XPWorking VoltageAC 220V ... reader/writer, barcode scanner,printer,video camera etc. Interactive kiosk machine with SAW touchscreen and sleek design