Features:

Convert USB standard port to RS-232 DB9 serial interface
Fully compliance with USB Specification 2.0, 1.1
Compatible to equipments with standard RS-232 serial interface
Support over 1Mbps data transfer rate
Suport automatic handshake mode
Support remote wake-up and power management
Support Windows 98/98SE/ME/2000/XP and Max 8.x or above
USB full speed communication and bus powered low power consume
USB extension cable length: 16.5"

Comes with:

USB to RS-232 Adaptor
Software Driver CD
USB extension cable