Car HUD 5.5-inch Over Speed Alarm Speedometer for Drivers, Head Up Display with OBD2 & EUOBD Port, Windshield Projection Film for Navigation, Car Monitor & Driver Safety

• 3 Display Modes & Engine RPM Alarm --- The car HUD heads up display with 3 display modes: default mode, high-speed mode, automatic mode. The engine RPM alarm can help to fuel-efficient by shifting, and it is good for novice.
• Multiple Data Display --- This car navigation head up display can reflect multiple data, such as speed, engine RPM, water temperature, voltage, fuel consumption, engine fault code. Kilometer and mile can be switched freely, which is very practical to use.
• 5.5inch HD Display & Automatic Adjustment --- The F4 HUD display speedometer with 5.5 inch HD display screen, which can reflect F4 HUD image clearly in front of your eyesight, making it easier for your reading. With automatic and manual brightness adjustment mode, driving without glare.
• Universal Fitment & OBD2 & EUOBD Port --- The universal F4 HUD speed alarm car HUD display is available for cars with OBD2 and EUOBD port(car automatic diagnosis system), plug and play. Over speed alarm includes single-speed alarm and four-stage alarm.
• Auto Power On/Off & Battery --- The Windshield Heads Up Display start and off with vehicle started and shut down, which provides effective protectionfor your car battery. The car alarm HUD display retains the manual switch mode, making it more easy to control HUD.

Keenso- HUD short for head up display. The car HUD display displays driving datas on the front windshield, such as speed, RPM, fuel consumption, water temperature, voltage; avoiding drivers become dangerous because of watching the instrument while driving, making drivers can read the driving information instantly and can always keep the best state on the way with HUD. You are worth it! Main display information: 1.Brightness sensor 2.Water temperature 3.Water temperature scale 4.Engine RPM scale 5.Over speed alarm 6.Gear display 7.Multi-function value for engine RPM,inlet pressure,water temperature,clock,voltage,ignition angle,acceleration time for 100 Kilometers 9.Throttle position and fuel consumption 10.Multi-function value 11.Buzzer mark,engine fault,fatigue alarm,voltage alarm,data transfer 12.Speed unit 13.Calls and SMS alerts(this function is not opened now) HUD installation: 1. Know your vehicle brand,HUD work for cars with OBDII agreement or EU OBD agreement. Open the engine hood and find the sticker below it (see the below picture 1), if it has words like OBDII CERTIFIED, then it can be installed. 2. Find out the 16 pin diagnostic link (see the below picture 2) of the vehicle and connect it well with OBDII connecting line. Specification: Environment temperature: -40c- + 120c atmospheric pressure 86-106KPa Relative Humidity: 10% -95% environmental noise <= 60dB (A) Alarm sound level: "= 30dB (A) Working voltage: 11V〜16Vdc（12Vdc / 350mA） HUD size: 150*85*14(mm) HUD Weight: 280g Package included: 1 x HUD 1 x OBD Cable 1 x Reflecting Film 1 x Anti-slip Pad 1 x English User Manual