Fangrui Product Details Three Color Led Status Indication Is Convenient To Use. This Tool Is Small In Size, About The Size Of A Usb Flash Drive. Support Secondary Development ( Vb C# Bcb Java), Completely Open The Message Communication Protocol, So That You Can Easily Write Your Own Host Computer! Fully Supports Can Bus V2.0a/v2.0b Technical Specifications. Standard Frame, Extended Frame, Data Frame, Remote Frame, Software Can Freely Set The Baud Rate Between 20k-1m Communication Rate. The Data Can Be Saved As Excel/ Format Files, Which Is Completely Convenient For Viewing. Support For Windosxp/7/8/10 ! Colour:black Material:pcb+electronic Components+plastic Package Contents: 1 * Usb To Can Canbus Debugger Analyzer Adapter 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.