Quickly adds two RS232 ports to a single USB port 
Easily connect most serial modems, digital cameras, label writers, card readers, barcode scanners, palm PCs and digital organizers 
Windows compatible – Plug and Play; hot-swappable 
Lifetime Warranty
Transfer rate: up to 115.2 kbps 
Bus powered 
Over-current protection 
(1) USB port; Type A male 
(2) RS232 port; 9-pin male
System Requirements 
USB 1.1 or 2.0 port 
Windows 2000/XP/Vista/7 compatible
Package contents: 
USB to Serial Converter, Two Serial Ports 
User manual and driver CD