Item Type: USB to RS232 Serial Cable <br>Outer Cover: Environmentally friendly PVC <br>Connector: Nickel-plated connector <br>Length: Approx. 1.2meter / 3.9ft <br>Notebook Expansion RS232 Interface: Convert serial interface via USB to C. 1. Connect printer efficiently and conveniently <br>Scope 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.<br>1、Support for Win8/10/OS X free drive, compatible with multiple computer systems plug and play, support hot plug. <br>2、Support RS232 serial interface, support remote wake?up power management and support fully automatic serial communication protocol. <br>3、Tinned copper wire core + aluminum foil + braided mesh multiple shielding to avoid abnormal printing or garbled characters caused by short circuit caused by long wire. <br>4、The interface is thickened with nickel-plated layer, which has the function of corrosion resistance, acid and alkali resistance. <br>5、Great workmanship, perfect replacement for the old one and has a long service life..1 x Cable