Please read carefully before placing an order:
1. If your car is pre-2004 (for American automakers) and pre-2008 (for European/Asian automakers), the protocol is not compatible.
2. After receiving the package, please test it on your car as soon as possible.
3. According to customer feedback, it is not compatible with some special vehicles such as electric vehicles, diesel vehicles,  pickup trucks, passenger cars, etc. If you still have questions, please contact us before purchasing , Preferably tell us your car make/model/year/agreement before purchase.
4. Both OBD and GPS versions, although the OBD version may not be compatible with your car, it is still a cool car, the GPS version works with all vehicles and displays speed, travel time, driving direction , one run, voltage. Also includes speed alarm, free switching between kilometers and miles.

GEYIREN C500 HUD OBD2 EOBD LED Display
HUD is short for head display, the main function is to display car dashboard information (e.g. speed, RPM, water temperature, voltage, trip distance, etc.), and keep the driver's eyes always on the road to avoid the danger of head down to read the dashboard.
--Compatible with: OBD II vehicles (after 2007). (Diesel vehicles, pure electric vehicles, dual power vehicles cannot be used)

--Displayed main function:
1. Alarm icon: high water temperature / low voltage alarm / shift reminder / overspeed
Alarm/Fatigue Driving/Engine Error
2.Multi-function display: rpm/voltage/driving distance/hours/water temperature/fuel consumption
3. Light: HUD can automatically adjust the brightness according to the environment
4. Block mileage: Travel means driving distance from engine to shutdown
5. Fuel consumption unit: Average fuel consumption per hundred kilometers/instantaneous fuel consumption
6. Speed: digital display of vehicle driving speed
7. Unit of speed: km/h = kilometer/hour, miles/hour

Specification
Brand: GEYIREN
Name: Car OBD2 HUD
Size: 135x68x56mm

Features:
--Display accurate speed
The C500 OBD version is part of a driving assistance system that allows the driver to keep his head up, look at the road while having access to various information in real time
--Made a good solo trip plan
Its clearly displays the driving distance of one trip
--Safe driving
Keep your eyes on the front
Look down 3 seconds = Blindly drive the car for 50 meters
--Car speedometer alarm
C500 it will automatically alert if speeding, so it can save you from watching the speedometer and drive safely
--Voltage alarm
Alarm when voltage is too low or too high
--car speedometer alarm
C500 it will automatically alert if speeding, so it can save you from watching the speedometer and drive safely

Package Includes:
1x C500 HUD
1x USB Cable
1x Non-slip Mat
1x Clean Cloth