Features: *USB connector plugs into most modern laptops! (USB 1. 1 or 2. 0) *Compatible with the latest cars which require a direct CAN connection for diagnostics including all OBDII platform cars and latest obdii/eobdii cars with CAN *reliably even with "difficult" control modules *Built-In OBDII-Saver functionality -- instantly alerts the user if either the K/K1 line or the L/K2 line is shorted to Ground or Vbatt. *Fully backwards compatible with older cars using a single K-line or K plus L. *Bi-Color (red/green) status/activity LED