Fits Vauxhall Opel Diagnostic tool OBD2 Diagnostic OPCOM V1.99 INTERNET SAFE
Firmware: OPCOM V1.99 (Latest stable release). OP-COM Opel/Vauxhall OBD2 Diagnostic Interface. Since Opel uses many pin in the OBD connector, the diagnostic interface works as a multiplexer, and selects the appropriate pin for communication.