Genuine Ross-Tech Hex-V2 with built-in VCDS license. This is 3 VIN version, and 1 VIN is still left for use. You only need VIN license for re-coding and adaptations. VIN license is not used up for checking diagnostic codes or resetting CEL or reading block values. Ready to be used with the latest VCDS software that can be downloaded from Ross Tech web site. Check Ross-Tech web site for details. This is a must have tool that can save you $100s on diagnostics and repair.