DB9 Male Adapter
Plug and Play --Free Driver ,it can be detected and installed automatically after plug it .
USB 2.0 to RS-232 -- Installed as a standard Windows COM port, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND; Has male thumbscrews.