Not only the lap time, but also the sector time is decisiveFastest in sector 1 perhaps, but in sector 2 you lost the lead to the opponents? It’s not just in Formula 1 that you can check to see where you can still squeeze out a few tenths of a second: you can now do this on your Carrera race track too. The Check Lane in combination with the Carrera Connect App (20030369) and the Carrera Race App ensures accurate intermediate measurement of lap times on your race track. A Check Lane has two sectors, while two Check Lanes have three sectors. The racing driver has a clear view of every section along the route and knows exactly where he or she can improve. The performance of the vehicle can also be measured. only in combination with the Carrera Connect App #20030369 and the Carrera Race App! Package contains one check lane.