Feature:1. USB2.0 to RS232 industrial grade antithunder protection highspeed converter.2. Usb to 9 Pin Serial Adapter adopts USB to serial port (D89) transmission interface.3. USB RS232 Serial Adapter supports USB fullspeed transmission at a transmission speed of 120KBPS/sec.4. USB RS232 is very versatile, supports multiple operating system platforms, supports for INXP/VISTA/WIN7/WIN8 (32/64bt).5. Plug and play, easy to connect, no need to start or install any program, you can work.Specification:Item Type: USB to RS232 AdapterMaterial: PVCChip: For FTDI ChipConverter: USB2.0 to RS-232 Industrial Grade Antithunder Protection High-Speed ConverterTransmission Interface: USB to Serial Port (D89)Transmission Speed: Support USB Full-Speed Transmission 120KBPS/SecSystem Support: For WINXP/VISTA/WIN7/WIN8(32/64bt).Package List:1 x Conversion Cable1 x Driver CD