Product Features: 1. OBD mode information display: vehicle speed, water temperature, voltage, fuel consumption, RPM, one-way mileage, one-way time, system time, oil temperature, air-fuel ratio, turbo pressure, intake pressure, acceleration test, brake test, read data stream,clear fault code, free switch between kilometers and mileage, free switch between KM/h, MPH, free switch between C and F. Alarm: Overspeed alarm, overspeed alarm, high water temperature alarm, low voltage alarm, engine failure alarm,fatigue driving reminder 2. GPS mode information display: speed, travel time, satellite time, altitude, number of satellites, driving direction, single mileage, voltage, acceleration test, brake test, and switch between kilometers and miles freely. Alarm: overspeed alarm, low voltage alarm, fatigue driving reminder incline meter:Display the inclination of the car, and alarm if there is a risk of Material: Plastic Color: As shown Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 x Car Heads Up Display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.