Vktech&reg; W01 2.4 Inch Universal Car HUD Head Up Display LED Fuel Consumption Our multifunctional HUD product is developed based on OBD interface and has good cost-performance ratio It is designed by adopting the latest integrated circuit with stable performance and has a beautiful and elegant appearance,The installation and adjustment examination can be finished within 3 minutes by using an easier and safer method Head Up Display, which is abbreviated to HUD, which is short for Head Up Display, with the meaning of Look-up display device, or look-at-the-front-horizontally display device is designed for preventing accident The display location and brightness can be adjusted through automatic induction, which can prevent the driver from looking down at the instrument panel and shorten the time of eyes for the blind spot in fron This can avoid breaking rules and regulations due to speeding in many speed-limited sections. What's more important, it can enable the driver to read the number instantly without shifting horizon, which is of vital value in reducing traffic accidents caused by absent-mind due to looking down