Introduction
The ZMFJH P10-PRO is an advanced OBD2 Head-Up Display (HUD) digital speedometer designed to enhance your driving experience by projecting essential vehicle information directly into your line of sight. This plug-and-play smart car system features a real 2.6-inch TFT LCD multi-color display, offering clear presentation with true colors. It provides a multi-functional interface with multiple language options, allowing you to view critical data such as vehicle speed, engine RPM, water temperature, and battery voltage without diverting your attention from the road.

Setup Instructions
The P10-PRO HUD is designed for plug-and-play installation using the provided OBD cable. Follow these steps for a quick setup:
- Locate the OBD2 Port: Identify your vehicle's OBD2 diagnostic port, typically located under the dashboard on the driver's side.
- Connect the HUD: Plug one end of the provided OBD cable into the HUD unit and the other end into your vehicle's OBD2 port.
- Position the HUD: Place the HUD unit on your dashboard using the included anti-slip mat. Ensure it is positioned where the display is clearly visible without obstructing your view of the road.
- Power On: Start your vehicle. The HUD should power on automatically and perform an initial scan to detect the vehicle protocol.
Compatibility Information
Important Compatibility Notes:
- This device is generally not compatible with cars produced before 2004 (for US automakers) and before 2008 (for European/Asian automakers) due to protocol differences.
- It is not compatible with certain special vehicles, including electric vehicles, diesel vehicles, hybrid vehicles, pickup trucks, and passenger cars.
- Specific incompatible models include:
- American models: Dodge, JEEP, Sail, Chrysler (models produced before 2004 and 2004).
- French and Italian models: Fiat, Maserati, Lamborghini, DS, Peugeot, Citroen, Renault, Simka, Amirca.
- Japanese models: Suzuki, Mazda 6, Infiniti (QX50, Q50, Q501), 2013 Toyota Avanza, Lexus (IS250, EX250, ES300H), Honda (Jazz, CRV), and cars produced before 2008.
- South Korean models: Some Kia and Hyundai models (e.g., 2013 Hyundai Sonata, 2017 Kia Soul PS).
- Also incompatible with cars modified with car computers, and all brand models under the Swiss Volvo, Chrysler Group, and Fiat Group.
If you are unsure about compatibility, please consult your vehicle's manual or contact the manufacturer with your car's make, model, year, and protocol information.

Operating Instructions
The P10-PRO HUD offers a rich array of display content and customizable interfaces.
Available Display Content:
- Vehicle Speed (MPH/KMH)
- Engine RPM
- Water Temperature
- Oil Temperature
- Intake Pressure
- Voltage
- Instantaneous Fuel Consumption
- Average Fuel Consumption
- Driving Distance Measurement
- Driving Time
- Low Voltage Alarm
- High Water Temperature Alarm
- Over Speed Alarm
- Engine Fault Code Alarm
- Ability to eliminate fault codes
- Accelerating Competitive Mode
- Brake Performance Test
- Read entire car data stream information
Display Modes and Customization:
- Switching Display Modes: The device allows you to freely switch between multi-function display modes and simple function display modes to suit your preference.
- Unit Switching: Easily switch between Kilometers (KMH) and Miles (MPH) for speed display.
- Multiple Interfaces: The P10-PRO offers 10 different display interfaces, each presenting information in a unique layout. You can cycle through these interfaces to find the one that best fits your needs.


Maintenance
To ensure the longevity and optimal performance of your P10-PRO HUD, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to gently wipe the display screen and the unit's exterior. Avoid using abrasive cleaners or solvents, as they may damage the surface.
- Storage: When not in use for extended periods, store the HUD in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the device with care to prevent physical damage. Avoid dropping or subjecting it to strong impacts.
Troubleshooting
If you encounter issues with your P10-PRO HUD, refer to the following common problems and solutions:
- No Display/No Power:
- Ensure the OBD cable is securely connected to both the HUD and the vehicle's OBD2 port.
- Verify that your vehicle is turned on.
- Check vehicle compatibility (refer to the 'Compatibility Information' section).
- Incorrect Readings:
- Ensure the correct units (KMH/MPH) are selected in the settings.
- If speed or RPM readings are inaccurate, the device might require calibration or your vehicle's OBD2 data might be inconsistent. Consult your vehicle's manual or a professional.
- Engine Fault Code Alarm:
- The HUD can display engine fault codes. Note down the code and consult your vehicle's manual or an automotive technician for diagnosis.
- The device also has a function to clear fault codes. Use this feature after addressing the underlying issue, or if the code is a false alarm.
- Display Freezes or Malfunctions:
- Disconnect the HUD from the OBD2 port, wait a few seconds, and then reconnect it. This can often resolve temporary glitches.
- If the issue persists, try resetting the device to factory settings (refer to the device's on-screen menu for this option).
For persistent issues not covered here, please contact customer support.
Specifications
| Feature | Specification |
|---|---|
| Model | P10-PRO |
| Brand Name | ZMFJH |
| Output Frequency | Head-Up Display |
| Rated Power | OBD2+GPS Dual (System Type) |
| Size Name | HUD |
| Wire or Wireless | Wire |
| Origin | Mainland China |
| Display Type | 2.6" TFT LCD Multi-color |
| High-concerned chemical | None |
| Package Length | 10 cm |
| Package Width | 5 cm |
| Package Height | 5 cm |
| Package Weight | 0.162 kg |
User Tips
No specific user tips were available from reviews or Q&A for this product. However, general tips for HUD devices include:
- Adjust the display brightness to suit ambient light conditions for optimal visibility.
- Experiment with different display interfaces to find the one that provides the most relevant information for your driving style.
- Ensure the HUD is securely placed on the dashboard to prevent movement during driving.
Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please refer to the seller's contact information provided at the time of purchase. Keep your purchase receipt as proof of purchase.