This all new In-Car timing system lets the driver see their lap times as they happen. Try different lines around the track to instantly find the fastest way. The GPS allows you to get precise and accurate readings without having to install IR beacons at the track.  Records up to 200 laps and also displays your Best lap and the differences between your Current lap and both your Last and Best laps. Many other great features such as the Speed and Odometer function, Target Speed and Distance, create custom Track Mapping Segments, closed and open circuits and more. .