Features:100% brand new and high qualityfor CNC machine tools, industrial instruments and meters Detecting equipment monitoring system, for automatic control equipment and notebooks Software support Win7 32 64-bit Bit WIN98 WIN2000 WINXP WIN7 WIN10 VISTA RS485 to USB Support STC MCU download, 115200 high baud rate Support serial port setting debugging, for WIN7 32 and 64-bit No external power supply, USB port to the computer Package Includes:1 PC x RS485 to USB Adapter Specifications:Item: RS485 to USB Adapter Material: PVC features: 4 terminal blockLength:approx 30 cm/11.8inSupport :Win7 32 64-bit Bit WIN98 WIN2000 WINXP WIN7 WIN10 VISTA note:There might be a bit color distortions due to different computer resolutions.There might be size errors due to different computer resolutions.