GEYIREN M6 HUD Head Up Display OBD2 Car head-up display, referred to as HUD,displays driving data:such as speed,engine speed,water temperature,voltage,single driving distance etc on the car windshield.To avoid the driver to watch the instrument leading to insecurity,HUD can read the driving information instantly in the large field of vision does not transfer the moment,keeping the driver in optimal driving condition at all times. DRIVING SAFETYKeep your eyes in front of ahead LIGHT SENSORDevice could adjust brightness automatically according to the environment Overspeed AlarmIts will give alarm if overspeed HOW TO USE ITButton function and details Products Main FunctionsProducts Details Product Features:1. GEYIREN100% Brand Guarantee2. Safty driving, Keep your eyes ahead, No need to down your head to see Dashboard while driving3.Nano-technology to eliminate double reflections, more clarity4. Easy to Install, Only need connect the HUD with Car OBD port by OBD cable, HUD will display when car engine on / off5. Over-time driving Alarm, Low Voltage Alarm, Over-speed Alarm, High temperature Alarm, Engine faulty Alarm6. KMH & MPH Switch Freely.7. Compatiable for: Cars in OBD II Standard (after 2007 years)Diesel cars, pure electric cars, hybrid cars cannot be used8. Installation position: On Center Console9. Connection: Connect with Car OBD port10. Display information: speed, RPM, water temperature, voltage, single driving distance, low voltage alarm, high water temperature alarm, over speed alarm, freely switch between kilometers & miles.11. Multi-color design makes the screen clearer and easier to read12. 5-level brightness adjustment, automatic and manual brightness adjustment mode Package List:1* HUD body,1* OBD data line,1* reflection film,1* anti-slip mat,1* English ManualHow to Install the HUD Car Computer:1. Insert the product into the check port on the vehicle OBD computer;2. Insert the other end of the product into the data interface of the host; Company profile: Geyiren, establishe d in 2013, has been focusing on the R&D and production of HUD for 10 years. Now there are more than 100 HUD products. Our products have passed CE, FCC, ROHS certification, please rest assured to buy. OEM & ODM customized orders are welcome: MOQ is small, please