USB2.0 to RS232 Female DB9 Serial Cable, connects USB port on your computer to RS232 DB9 pin devices. USB port supports up to 1 Mbps data transfer rate. Note: If your RS232 device has a female port, you may need a DB9 RS232 male to male converter or cable to connect between your device and the cable's RS232 port. Simple installation, plug and play. Uses latest prolific PL2303 chipset. Supports Windows 10/8.1/8/7/Vista/XP/2000, Linux 2.4 or above, and OS X 10.6 and above. Easy connectivity, USB to RS232 adapter works with modems, ISDN terminal adapters, digital cameras, label writers, palm PCs, PDAs, cashier registers, CNC, PLC controllers, tax printers, POS systems, bar code scanners, label printers, and other devices with DB9 serial ports. Please note: 1. Not compatible with cutting plotters. 2. Not compatible with VGA 15 pin devices. Stable data transfer: tinned copper conductor and triple shielding for reliable performance. Powered by USB port, no external power adapter required. Driver installation required: please 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. Color: black. Material: plastic + metal. Package contents: 1 x USB to RS232 adapter, 1 x CD. Only the above package content is included; other products are not included. Note: Lighting and different displays may cause slight color variation between the item in the picture and the actual product. Measurement may vary by +/- 1-3 cm.