Short description of Lap Timer 2000 6.1: LapTimer 2000 is a small MS Windows program that will count and time laps on any scale slot car track. Laps are timed with 1/1000 of a second accuracy. Lap Timer 2000 includes hardware interfaces for the Joystick Game Pad, Parallel Printer Port, Keyboard and the RS-232 Serial Communications Port. Slot car tracks with up to four lanes can be used with Lap Timer 2000. A single race or practice session can record up to 4096 laps per lane.