Check the listing for details. AutoCar HUD GPS Head Up Display Speedometer Overspeed Alarm Windshield Projector. Condition: New. Listed at 48.99 USD. *Q: What is HUD (Head-Up Display)? HUD (Head-Up Display) can project the driving info on the front windshield, and keep the driver's eyes always on the road when driving,for safer driving. OBD2 HUD: Connects to the car by OBD cable, suitable for most of cars after 2003 years in USA/Europe/Australia, and after 2007 years in Asia. HUD Products don't support JOBD and OBDI . GPS HUD: Connects to the car by the cigarette lighter, suitable for all cars and trucks. 1、Describe the details of the selling point above, attracting and provpply to all cars in the world. Plug and Play. 2、5.5” screen and high-definition display 3、Multi-color design makes the screen more abundant and easier to read 4、The use of nano-technology to eliminate unwanted reflections and can make display information more sharper. 5、Display rich content: speed,driving direction,driving time, driving distance, real time, satellite number, altitude,speed alarm,free switching between kilometer and mile 6、Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode, and more easy to control HUD. 7、Automatic and manual brightness adjustment mode, driving without glare.iding trust to your potential users. Main Feature: - Just connect to the car cigarette lighter without the trouble of distinguishing OBD II interface, universal installation. - HUD (Head-Up Display) projecting driving data omits drivers’ lowering head to the dashboard. - 5.5 inch LCD display, portable and easy for drivers to read data. - High bright screen with multi-color design assure you a clear and fine image. - Automatically adjusts its brightness to provide clearly visible projections in direct sunlight or at night. - Displays precise local time and altitude in accordance with the satellite. - Displays speed in both number and graphical representation. - Alerts you if you exceed the speed limit by setting over-speed buzzing alarm. - Projects a lot of driving information onto a transparent film on your windshield such as speed, local time, driving direction, mileage, traveling hour, satellite number, altitude, over-speeding alarm, KM/mile free shifting. - Just 4 satellite signals are need to provide you the data. - Automatically turn on and off in accordance with the car engine, which will effectively protect the car battery. Except, remaining manual switch for your better control of this HUD. Type: Head Up Display Q7 Material: ABS Color: Black Display Type: Digital Car Model: Universal Projection Size: 5.5 inch Environment: ~40c+80c atmospheric pressure 86-106kpa Alarm Sound Level: >=30db Working Voltage: DC8-18-24V Working Current: 40mA Sleeping Current: 15mA Local Time Precision: The same as satellite Compass Precision: +/-1° Speed Range: 0-400KM Display Information: Travel speed, satellite time, satellite number, altitude, driving direction, automatic switching machine, voltage, single exercise time, with travel distance Alarm: Overspeed alarm, low voltage alarm Note: Asian models can't be used before 2008. European and American models can't be used before 2004.