Following model designs are exist:
- C2N (angularly model) in black
- C2N (angularly model) in gray-yellow (beige)
- 1530 with a small Commodore logo right-sided in gray-yellow (150 * 195 * 50 mm, 700 g)
- 1530 with a great Commodore logo left-sided in gray-yellow (150 * 195 * 50 mm, 700 g)
All models, the C2N, 1530 and the 1531, are constructed in the same way. The only difference between the 1530 and the 1531 is the connector. By opening the equipment, you can see a model number. Often it is the imprint '1531' on the plate.