X3 Bluetooth 5.5 inch Car Security System

X3 Bluetooth 5.5 inch Car OBDII EUOBD HUD Vehicle-mounted Head Up Display Security System, Support Speed & Fuel Consumption, Overspeed Alarm, Water Temperature, etc(Black) Introduction Thank you for purchasing our car HUD Head Up Display. HUD is for drivers' safety, at high speeds, especially in high-speed driving at night, in order to avoid the driver to look down their head to watch the instrument, and decrease car accident. HUD is in extremely critical moment reflects its delicate care. HUD can project the dashboard information (such as speed) onto the windshield, it can not only to help determine the speed of inexperienced novice to control their speed and avoid many of the speed limit road due to speeding violation. More importantly, it enables the driver instantly read the number in great vision and always make drivers eyes on the road in clear mind. HUD main features 1. Plug and play. HUD can automatically adapt to vehicle type which in line with OBDII or EUOBD(On-Board Diagnostic System). 2. Comprehensive display. HUD can display many parameters at the same time as follows, vehicle speed, engine speed, water temperature (voltage, throttle valve position, ignition advance angle, time of 100 km acceleration),fuel consumption, mileage, low fuel tips, engine failure. 3. Three display mode. Driver can chose normal display mode, high- speed display mode and automatic display mode. 4. Free switch. Km and mile can be switched freely. 5. Suitable size. The display area is 5.5 inches which is very clear for driver to read data. 6. Automatic power on and off. Starting with the vehicle starting, stopping with the vehicle stopping to protect the vehicle's battery. Moreover, HUD can also power on and power off by manual, which is more easy to control HUD. 7. Flexible alarm mode. HUD can offer single-stage and four-stage overspeed alarm modes to choose to make driving safer. 8. Engine speed alarm. It contributes to shift gear in time to save fuel also has significance to new driver. 9. Flexible brightness adjustment. The brightness can be adjusted automatically or manually to reach