Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter - Supports Windows 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset OS SUPPORT - Supports Windows 10, 8, 7, Vista, 2000, XP, 98, Apple MAC OS8 or higher, Linux 2.4.0 and later, OpenBSD 2.9 and later & FreeBSD 4.7 and later USB2 TO RS232 - Installed as a standard Windows COM ports, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND CONNECT SERIAL DB9 DEVICES - Provides instant connectivity with modems, ISDN terminal adapter, PDA, bar code scanner, label printer, and devices with DB9 SERIAL ports; LED indicator when plugged in FTDI CHIPSET - Built with FTDI chipset; Powered by USB port; Download the latest Windows 10 driver from Tera Grand's web site EXTENSION CABLE INCLUDED - Package includes a 32 inch USB male to female extension cable.