Specifications Color blueWire Materials copperApplicable Equipment serial lineType USB cableTotal Length 80cmFeatures This product can easily achieve the computer USB interface to the universal serial port conversion between the serial port for the computer toprovide fast access and the use of this product is equivalent to the traditional serial device into a plug and play USB devices Support various types of single chip single chip STC download LED screen control card MODEM ISDN terminal adapter communication for a USBport of the computer or notebook Installation is simple no external power supply and physical drive Run the driver CH340 EXE file to install Connect the USB cable to the USB port of the computer and install the driver automatically After the success of the installation to the Device Manager COM port Package included 1 x DB9 Serial Cable1 x DB9 Adapter