【What is H4 hud】H4 is a brand new upgraded version of the head up display, the first color version, with bright and eye-catching colors, a brand new interface design, larger fonts, clearer and smoother graphics, very beautiful, giving people a dreamy visual experience. The speedometer adopts GPS+BDS dual-mode chip, real-time synchronization, accurate and error free, high refresh rate and no delay, and can receive up to 32 satellites, We guarantee that you will feel comfortable using it.,【H4 function display】The head up display has multiple functions that can be switched freely. For example: vehicle speed, compass, ambient lighting, number of satellites, automatic photosensitivity, overspeed alarm, mileage switching, etc. You can clearly know your driving speed, time, and direction while driving, and many features of this head up display can ensure your driving safety.,【Product highlights】This is a simple yet not simple car head up display, with a large font projection, clear visibility without fear of the sun, and a new upgraded version that is compatible with all models. In addition, H4HUD is also the first color version, with bright and charming colors. Not only is the picture clear, but it is also a very beautiful car speedometer.,【Automatic light sensitivity】The head up display can automatically adjust the brightness of the light sensitivity, making the scorching sun clear and the night soft. This is a carefully designed automatic sensing of ambient light based on the principle of photoelectric effect from a professional HUD manufacturer. It is clearly visible during the day and not afraid of being dazzling at night. If you are not satisfied with the automatic photosensitivity, you can also manually adjust it to the brightness you like.,【Automatic alarm function】The model's head up display has an overspeed alarm function. If the vehicle speed exceeds the preset maximum driving speed (default 120KM/H), the device will beep. You can set an overspeed alarm value in advance, and when the car exceeds the set speed value, a beep will sound.,【Non destructive installation, plug and play】The head up monitor is easy to install and can be plug and play through a USB cable, without any complex setup or installation process, simple and very convenient. Using USB power supply, there is no fear of battery loss, cable breakage, or drilling. USB connection does not require OBD power supply and there is no standby current, so you can use it with confidence.,【Applicable models】H4 head up display is compatible and suitable for all vehicle models, such as new energy vehicles, hybrid vehicles, gasoline vehicles, motorcycles, buses, pickup trucks, large trucks, buses, etc. The car's head up display adopts GPS+BeiDou (BDS) dual-mode chips, which can be used wherever there is satellite signal. In a true sense, it can be used for any car without selecting the model. You can buy with confidence and not be afraid of incompatible models.