Longacre 52-21730 Hot Lap GPS Triggered In-Car Timer

Allows you to get precise and accurate reading without having to install IR beacons at the track
Records up to 200 lap and the differences between your current lap and both your last and best laps
Features a gorgeous 3″ backlit graphic display
GPS sensor mounts in car so the driver can see their lap times as they happen
Recall segment times in pits and compare laps