Car HUD (Head-Up Display) with Smart OBD2 diagnostic device, GPS, and high-precision speedometer, for clearing fault codes, safe driving alerts, and overspeed warnings for all cars. OBDII Smart Diagnostic Display Mode: Vehicle speed, RPM, water temperature, voltage, driving distance, driving time, fuel consumption, local time, oil temperature, turbine pressure, and acceleration test up to 100 Km. Alerts: Overspeed alert, RPM alert, fatigue driving alert, water temperature high alert, voltage low alert, and engine fault alert. GPS Display Mode: Speed, voltage, mileage, driving time, local time, vertical distance altitude, driving direction, satellite count, accelerometer, and compass. Smart OBDII Diagnostic Device + GPS with adjustable bracket. Two installation methods: place it on the dashboard / stick it to the car windshield. The HUD system helps drivers avoid looking down at the dashboard, ensuring driver safety and helping them stay at their best.