The Tech-2 is the same tester GM Technicians use to diagnose GM vehicles. The Vetronix Tech 2 comes with Authentic GM software and provides support for on-board diagnostics on all GM systems 1992 thru 2008

Authentic GM software in the Tech 2 Flash means the most comprehensive diagnostic software available for late model GM vehicles.
Support for on-board diagnostics on all GM systems 1992 thru current year.
Removable hardware modules provide insurance against scan tool obsolescence.
Large, easy-to-read backlit screen.
RS232 & RS485 ports provide the avenue to connect future devices to your Tech 2 Flash.
Ability to capture stored DTCs, Freeze Frame, and Failure Record for later review.
Ability to view the status of vehicle diagnostic tests as they run.
Bi-directional
The authentic GM 1992-current year software will provide full bi-directional control when performing power train, chassis, and body diagnostics.

Tech-2 Flash Tester
32 MB PCMCIA Card with GM OE Applications
CAN diagnostic interface module(CANdi) and instruction sheet download ( 199.2 kb )
GM aftermarket Expertec TIS software on DVD-ROM disks
TIS2000 dongle to access SPS/Security features
Data/Sensor/Trouble Code Manual
DLC Cable, DLC Loopback Adapter
12V Cigarette Lighter Power Cable
SAE 16/19 Adapter
NAO 12/19 Adapter
Battery Power Cable
Storage Case

Opel Scanner works with Version 1.0.1.4 (Advanced)  The AutoScannerOpel program is designed for OPEL cars diagnostics. The program supports majority of electronic control units (ECU), installed on Opel cars from 1987-2005 years. Supported modules are :

Engine Control Unit
Automatic Transmission Control
ABS - Anti-Lock Brake System
ESP - Electronic Stability Program
AirBags
Immobilizer
Distributor Transmission 4WD
Traction Control
Body Control System
ATWS - Anti-Theft Warning System
Central Door Locking System
Multi/Color/Triple Info Displays
Instrument
Power Steering
Audio System
Electronic Climate Control
Sliding Roof
Electronic Seat Memory
Add-On Heater
Headlamp Leveling Device, etc.

USBInterface for the 3rd party Opel TECH2 Software with K-Line Multiplexer which does not require switching of diagnostic pins

--USB TECH2 Interface 
--USB extension cable
--USB Interface for TECH2 Software

RS232 Interface for the 3rd party Opel TECH2 Software with K-Line Multiplexer which does not require switching of diagnostic pins

--RS232 TECH2 Interface 
--RS232 extension cable
--RS232 Interface for TECH2 Software