Using the MYLAPS TR2 Karting Transponder Kit is easy. First, if you choose a subscription - based model, select your preferred subscription length. For the TR2 'GO', you don't have to worry about subscriptions. To charge the transponder, use the included TR2 Cradle. It only takes 5 hours to charge, and you'll have enough power for 5 days of racing. Connect the transponder to the Speedhive app via the cradle. Once connected, all your race data will be available on your personal Speedhive account. You can access this data for free on the Speedhive platform. When it comes to maintenance, keep the transponder clean and dry. Avoid dropping it or exposing it to extreme temperatures. If you need to extend your subscription, you can do it easily online. Whether you're on a motorcycle or a four - wheeled vehicle, this transponder will help you improve your racing performance by providing valuable insights.