【APPLICABLE VEHICLES】——HUD C500 is only applicable to OBDII and EOBD, and is applicable to cars of the production year (OBDII and EOBD are used in other regions after 2003 and 2007), but OBD I and JOBD are not supported. 【LARGE HD DISPLAY】——C500 HUD comes with an optical reflector stereo imaging design, clearer information display, multi-function switching, allowing you to monitor the speed of the car more comfortably, bringing you a better driving experience and more fun. 【RICH DISPLAY DATA】——Almost everything you may need to read during driving will be displayed by this HUD, including vehicle speed, rotation speed, water temperature, voltage, fuel consumption, clock, driving distance measurement, driving time, voltage alarm, Speeding alarm, fatigue driving reminder, engine failure alarm, free switching between kilometers and miles. Is a good helper for your driving. 【MULTI-FUNCTION】——C500 HUD has upgraded new functions, which is different from traditional HUD on the market and is more competitive. Since the C500 is based on the trip computer to read data, it can be used to read car data information, such as car fault detection, fault alarm, etc. A multifunctional tool to help you understand your car.