The KW812 code reader is specially designed with the most Volkswagen, Audi, Skoda and seat from 1990 work, which have a 16-pin "OBD-II style" data link connector (DTC).
If it has an old style 2 x 2 data link connector (DTC), then it is dependent of whether it 4 or 3 wires to the pins.
If it is 4 wires that each a pen, then it will work. If it only 3 wires, so that a PIN is disconnected, then it won't work.
For VW / AUDI old 2 x 2 data link connector (DTC), you need a 2 x 2 wiring adapter that is not in the package of this product have included.
Display: Backlit LCD, 2 lines of 8 characters
Operating temperature: 0℃~+50℃
Storage temperature: 20℃~+70℃
Power: DC12V via the vehicle battery provided
1 x KW812 Scanner
1 x CD
1 x User Manual