... SDRAM, support at least 500 transaction records.OSLinuxPower Supply External switch powerInput 100V∼240V AC,50/60HzOutput: 9VDC, ... port,1 12PIN multi-function portinclude 1 USB HOST,1 USB DEVICE,2 RS232 portMagnetic Stripe ReaderTrack 1/ ... from Pc, terminal to terminal, remote download, USB download, U disk downloadAdditional(optional)Finger printer Laser scannersize200*90*60MMCertificationsChina ...