1. Much cooler than others. The river water changes color with your driving speed, and the LED lighting reflects your mood—blue for normal and red flashing for alarm. You can also display the time in the lower right corner of the headup display. 2. It has many functions. This headup display is packed with features. In OBD mode, it shows: speed, water/oil temperature, voltage, fuel consumption, RPM, trip mileage, driving time, number of satellites, altitude, time, airfuel ratio, turbo pressure, acceleration test, brake test, data flow, and fault code clearing. It has 9 different display modes. 3. It is more adaptable. It supports both OBD2 and GPS modes on the same interface. You can adjust small icons as needed. In GPS mode, it displays: speed, voltage, travel time, altitude, number of satellites, travel direction, singletrip mileage, etc. You can switch between miles and kilometers, as well as between PSI, bar, and 100KPA units. 4. It is stronger. As a 2020 upgraded HUD display with dual OBD and GPS systems, it incorporates more advanced technology. We've added 10 additional OBD2 protocols to enhance compatibility, ensuring our product fits 98% of cars.