Electronic lap counter for GO!!! and GO Plus for 2-lane analog racing with a 114 mm straight track section as a spacer. Timing is measured in 1/1000 seconds. Vehicle detection via infrared light barriers. Supports time trials (1 s - 99 min) or lap races (1 - 999 laps). LED display for the starting sequence. Illuminated display. Speaker for start sound and finish fanfare. Alternative power source: Micro USB-B cable (5V).