ZQKJ D5000 HUD OBD2 System Head Up Display for Car Speedometer Projetor With Water Temperature Overspeed Alarm Clear Fault Code Product description: This is a classic 5-inch large-screen OBDII Head-Up Display (HUD). Driving data such as vehicle speed, rotational speed, water temperature, voltage, and one-way mileage are displayed on the front windshield. The HUD avoids the danger of the driver looking down at the instrument panel, as it can see the data on the car"'"s front window glass, keeping the driver safe and helping the driver stay in top shape while on the road, keeping you in safe driving mode. In addition, a variety of operating interfaces and colors can be freely switched, bringing more fun to your car life. Smart products + safe driving + fun for you!Display data: vehicle speed, water temperature, voltage, fuel consumption, RPM, single mileage, total accumulated mileage, driving time, system time, intake pressure, acceleration test, free switching of kilometers and mileage, KM/h, MPH free switching, C and switch freely... Alarm function:overspeed alarm, fatigue driving reminder, high water temperature alarm, low voltage alarm, shift reminder, engine failure alarm, clear fault code... Product Highlights:1. Plug and Play: EUOBD and OBD cables - all 16 pins. 2. Large screen: 5-inch screen, better field of vision. 3.12 Main functions and alarm reminders 4. Speed unit: KM/H & MPH. 5. Turbo pressure: PSI and KPA. 6. Fuel consumption unit: L/100km (instantaneous fuel volume and average fuel volume). 7. Brightness sensor: automatically adjust the brightness. 8. Modern Design: Classic blue and white design with red and flashing alarm icons. 9. Interface: Custom interface preset before travel. 10. Customizable products: small MOQ, please