Scalextric 1:32 Digital Advanced 6 Car Powerbase The unit has a clear user interface with two levels of features to suit both the novice and experienced user Multiple gaming modes, timed endurance and total lap format racing. Ghost cars (PACER) function for cars to run automatically Setting the car ID is easy via a simple, one-button action. An 'open-source' output connection for computer or future additional functionality The Skill Level option allows you to adjust the maximum power levels to individual cars so that 'novice vs expert' races can be run more fairly This Power base delivers 15v to the track for faster car performance and has connections for two (P9303) transformers (sold separately)