USB2.0 to RS232 Female DB9 Serial Cable,Connect USB Port on your Computer to your RS232 DP 9Pin Devices,USB Port is available with 1Mbbps date transfer rate.Note:If your RS232 Device is Female Port,you need a DB9 RS232 Male to Male Converter or cable to be connected between your device and cable's RS232 Port. Simple installation ,plug and play,Uses latest PL2303 Chipset,Supports for /8.1/8/7/Vista/XP//2000 /for Linux 2.4 or above /and for 10.6 and above. Easy Connectivity,USB to RS232 adapter works with modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, PDAs,cashier register,CNC,PLC controller,tax printer,, bar code scanner, label printer,and other devices with DB9 SERIAL ports. note that 1: not compatible with Cutting plotter 2:Not compatible with VGA 15 Pin Device. [Stable Data Transfer]: Tinned Copper Conductor and triple shielding the best data transfer rate. Powered by USB port, no external power adapter required. [Drive Installed Needed]: install the provided driver via enclosed CD to enable this adapter cable. Connector Type: RS232, Usb 2.0 Cable Type:USB Compatible Devices:Scanner, PC, Modem, Printer Colour:black Material:Plastic + Metal Package Contents: 1 x USB to RS232 Adapter 1 x CD Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.