OPCOM 2012 diagnostic tool for Opel cars covers almost all Opel cars, even new cars with CAN-BUS based diagnostic, such as Vectra-C, Astra-H,Zafira-B. It lets you read and clear fault codes, support many control units.
It can not be updated, once updated the device may be damaged.
Most of customers asked if this device is with German language or not ?
I am sorry to tell that only English available.
Since it is now updated to V2012, so the following pics is the software display to be a reference.