The DerbyPak 3 includes the Turbo 3Lane Timer (complete with timer module, bridge modules, one-sided display of 3 lanes, start switch, ir emitters and hardware), Custom Carrying Case, Your choice of Software, and a serial port computer cable.
Separately these would cost you $382, so you save $33!
Be sure to choose your lane spacing (3.25", 3.5", 3.75" or 4.0") and your choice of software.
