... case(enclosure)+bill acceptor+thermal printerMetal keyboard, card reader,a4 printer,barcode scanner,WIFI,3G,Bluetooth are available for install. ComponentsSpecificationComputerIndustrial HostMainboard ... caseOther OptionsUSB interface,Thermal printer(80mm,atuo cutting) ,A4 Printer,Keyboard,Barcode Scanner,Bluetooth Connection,Camera/Webcam,GPRS,UPS,Video,WiFi,3G ...