Meet WOO2: a smart sensor that connects kiteboarders and wakeboarders from around the world to record jumps, save sessions, and challenge friends. The sensor is compatible with iOS and Android devices. Just clip it to your board, and you are ready to go. The new version offers trick detection in freestyle mode.
You can use Woo2 to battle against other pro riders around the world. You can get this gadget for under $300 at this time.