Item Type: USB to RS232 Serial CableOuter Cover: Environmentally friendly PVCConnector: Nickel-plated connectorLength: Approx. 1.2meter / 3.9ftNotebook Expansion RS232 Interface: Convert serial interface via USB to C. 1. Connect printer efficiently and convenientlyScope of Application: Cash register, handwriting board, access control system, barcode printer, scanner, PLAM, CNC machine tool, PLC, temperature control equipment, LED display, programming machine, touch screen, industrial instrument, industrial control machine, etc. .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Support for Win8/10/OS X free drive, compatible with multiple computer systems plug and play, support hot plug. 2Support RS232 serial interface, support remote wakeup power management and support fully automatic serial communication protocol. 3Tinned copper wire core + aluminum foil + braided mesh multiple shielding to avoid abnormal printing or garbled characters caused by short circuit caused by long wire. 4The interface is thickened with nickel-plated layer, which has the function of corrosion resistance, acid and alkali resistance. 5Great workmanship, perfect replacement for the old one and has a long service life..