From Bulbapedia, the community-driven Pokémon encyclopedia.
Pokemon V-Trainer is an electronic device that allows you to use Pokemon figurines to battle gym leader or trainer cartrages or another person. The initial system comes with a Treecko
level 1 Figurine , a Steven battle pack and the instructions. The V-trainer does not have batteries initally and requires a phillips screwdriver( to open the battery compartment) and two tripple A batteries. When you first turn it on press the bottom right button enter your trainer name(five letters).