WYOBD M5 Head Up Display Car OBDII EUOBD 3.5"Windshield Projector HUD Display Shift Reminder Water Temp. RPM KM/H MPH Production Review:A variety of operating interface modes and colors can be switched freely, It will bring more fun and Technological sense to you. Newest product Newly manufactured head-up display M5. A simple, clear, accurate and bright gadget. During use, without all of the unnecessary info that would create distractions.Multiple functionsThis product has ten functions: Driving speed, RPM, Water tank temperature, Fuel consumption, Battery voltage, Travel distance, Clock, Fuel consumption per 100 kilometer, Acceleration test, Driving time. Free switching between kilometer and mile, free switching between and .Alarm functionsM5 has five alarm functions: Overspeed alarm, Speed alarm, Water temperature alarm, Low voltage alarm, Fatigue driving reminder, Fault alarm, ensure your safe trip. Default setting is 120KM/H or 120MPH. You can adjust it according to detects your needs. When the product speeding, it will beep to remind the driver.Plug & PlayNOT compatible with All-Electric vehicle/ Diesel vehicle/ Truck/ Van, Automatic adaptation car models, compatible with most fuel car and Hybrid car with an OBD2/ EUOBD interface, easy to install, plug and play.Certified ProductCE FCC RoHS Certification, Ensure product quality.