P-GEAR is a product specially for car enthusiasts which has integrated software and hardware. As a professional high-performance sports car test device, the core of P-GEAR is a mobile-based APP with real-time high-speed data exchange with a 20hz GPS device via Bluetooth 4.0 chip . Nowadays, many people have superior performance sports cars, and there is an increasing demand for testing and analysis tools for drag race, track race, and trajectory analysis.