USBGear 6ft. USB to RS232 Converter for Windows 7 (32/64bit) FTDI CHIP RX/TX LED Adds one RS-232 serial port by connecting to a USB port 6 foot USB Cable length LED status indicators for TxD and RxD for easy port monitoring and diagnostic Supports up to 920k baud (920,000), Serial port protected with surge protection of 10KV OS Compatibility: Windows Vista, Windows 7, and Windows 8 as well as Linux and Mac OS 10.X