... Reader(MSR), Comply with ISO 7811, Support 1&2&3 trackI/O PortsInternal I/O1 x PCI Slot4 x USB ... 1 x Serial/Com (DB9) (Support to expand to 3 x COM)1 x Parallel/LPT(DB25) ,6 x USB ... MICOperator Display- 12.1" (800×600, 4:3) , LCD TFT- 10.4" (800×600, 4:3) , LCD TFT (Optional)CustomerDisplay- 8bits LED ... code is detected Hand-held or bracket-held installationSupport to Read EAN-8, EAN-13, UPC-A, UPC-E, ...