OBDII CAN-USB V704.1 Full Compatible with the newest cars which require a direct CAN connection for diagnostics including all Golf-5 platform cars and latest Audi A3, A6 and A8,Q7,etc. Protocol timing indistinguishable from a real VAG/VAS tool. Works reliably even with "difficult" control modules such as the 1991-1994 1Z Audi TDIs and the 1993-1994 Audi 2.6L with Hella ECU. Built-In VAG-Saver functionality -- instantly alerts the user if either the K/K1 line or the L/K2 line is shorted to Ground or Vbatt. Full support for dual-K lines found in "new" (B6/8E chassis Audi A4 and 2002+ Audi A6,A8,etc. 1.USB connector plugs into most modern laptops! 2.Compatible with the latest cars which require a direct CAN connection for diagnostics including all Golf-5 platform cars and latest Audi A3, A6 and A8. 3.Protocol timing indistinguishable from a real VAG/VAS tool. Works reliably even with "difficult" control modules such as the 1991-1994 1Z Audi TDIs and the 1993-1994 Audi 2.6L with Hella ECU. 4.Built-In VAG-Saver functionality -- instantly alerts the user if either the K/K1 line or the L/K2 line is shorted to Ground or Vbatt. 5.Full support for dual-K lines found in "new" (B6/8E chassis Audi A4 and 2002+ Audi A6 -- no VAS-6017 required -- no manual switches! 6.Fully backwards compatible with older cars using a single K-line or K plus L. 7.Bi-Color (red/green) status/activity LED The product description: OBDII Can USB with the latest cars which require a direct CAN connection for diagnostics including all Golf-5 platform cars and latest Audi A3, A6 and A8,Q7. Protocol timing indistinguishable from a real VAG/VAS tool. The possibility that software is complete is on the xxxxx renewal, function all of, support the car type to 2007. Diagnostics Type including: All Golf-5 platform cars (A5 platform) including: • 2003+ VW Touran (1T chassis) • 2004+ VW Golf (1K chassis) • 2004+ VW Caddy (2K chassis) • 2004+ Audi A3 (8P chassis) • 2004+ Seat Altea (5P chassis) • 2004+ Skoda Octavia (1Z chassis) • 2005+ Seat Toledo (5P chassis) • 2005+ Golf Plus (5M chassis) • 2005+ Seat Leon (1P chassis) • 2005.5+ Jetta (1K chassis) • 2006+ Eos (1F chassis) • 2003+ Audi A8 and A8L (D3 platform, 4E chassis) • 2005+ Audi A6 (C6 platform, 4F chassis) • 2005+ Audi A4 ("B7" platform) (some control modules) • 2005.5+ VW Passat (B6 Platform, 3C chassis) • 2006+ Audi Q7 (4L chassis) • 2007+ Audi R8 (42 chassis) • 2007+ Audi TT (8J chassis) • 2007+ VW Touareg (7L6 chassis) ("facelift", built after Nov. 30 2006)