Fangrui Product Details Software Support Win98, Win2000 Winxp, 7, Vista, Special Support 7 32 Bit, Now Temporarily Does Not Support 64-bit,if You Want To Support 64-bit, Take Lx08a Need Support Usb To Rs232 / Rs485 Double Function. Support On Microcontroller To Download Support 115200 High Baud Rate Support Set Up The Debug Serial Port Superior To The Other Usb Adapter On The Market, Connection Mode Is More Suitable For Diy Need . The Power Supply: Without External Power Supply Hardware Interface: Usb Interface To The Computer Terminal, Pick Green Terminal 4 Overall Dimensions: 1.5 Cm Long And 9.2 Cm Wide And 2.1 Cm Thick Colour:as Shown Material:plastic Package Contents: 1 * Double Function Converter Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection 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.