1. Introduction
The Irfora GPS Head-Up Display Speedometer provides real-time vehicle speed information directly in your line of sight. Utilizing dual-mode GPS and BeiDou positioning, this device offers stable and accurate speed measurement with a clear LED display. It is designed for universal compatibility with various vehicles, including cars, trucks, SUVs, buses, and motorcycles, offering a convenient and non-obstructive way to monitor your driving speed.

Image: The Irfora GPS Head-Up Display Speedometer displaying a speed of 98 KM/H, illustrating its clear LED interface and compact design.
2. Product Features
- Real-time Speed Display: Shows driving speed in real-time with a large, clear LED font for easy visibility.
- Dual-Mode Positioning: Utilizes GPS and BeiDou satellite systems for stable, accurate, and rapid speed refresh without delay.
- Integrated Shading Plate: Equipped with an anti-reflective cover to ensure the display remains clearly visible day and night, minimizing light interference.
- Plug and Play Operation: USB powered, the device starts and stops automatically with your vehicle's ignition.
- Wide Compatibility: Suitable for a broad range of vehicles including cars, trucks, SUVs, buses, and motorcycles.
- Compact and Lightweight Design: Non-destructive installation that does not obstruct the driver's line of sight, enhancing driving safety.
- Selectable Speed Units: Supports both KM/H and MPH display units.

Image: The Irfora HUD unit featuring its integrated shading plate, designed to improve visibility in various lighting conditions.

Image: The Irfora HUD unit highlighting its GPS and BeiDou dual-mode positioning capability for accurate speed measurement.
3. Package Contents
Please check the package for the following items:
- Irfora GPS Head-Up Display Unit
- USB Power Cable
- Car Charger Adapter (USB Dual Quick Charger)
- User Manual (this document)

Image: The complete package contents, showing the Irfora HUD unit, USB power cable, and the car charger adapter.
4. Setup Guide
- Choose Placement: Select a suitable flat surface on your vehicle's dashboard. Ensure the display does not obstruct your view of the road or interfere with driving controls. The compact design allows for flexible placement.
- Connect Power:
- Insert the small end of the provided USB power cable into the USB charging port on the side of the HUD unit.
- Plug the larger end of the USB cable into the car charger adapter.
- Insert the car charger adapter into your vehicle's 12V power outlet (cigarette lighter socket).
- GPS Signal Acquisition: Once powered on, place the device in an open area with a clear view of the sky to allow it to acquire GPS and BeiDou satellite signals. This process may take a few moments upon initial setup or after a long period of disuse. The speed display will show "0" or a flashing indicator until a stable signal is acquired.
- Secure the Device: Use the included adhesive pad (if provided) to secure the HUD unit firmly to the dashboard, preventing movement during driving.

Image: A detailed view of the Irfora HUD unit, pointing out the USB charging port and the sunshade anti-reflective cover, crucial for setup and operation.

Image: The Irfora HUD unit positioned on a car dashboard, demonstrating its non-obstructive placement and clear visibility for the driver.
5. Operating Instructions
- Automatic Power On/Off: The device is designed for convenience. It will automatically power on when your vehicle's ignition is turned on and power off when the ignition is switched off.
- Speed Display: Once a stable GPS signal is acquired, the current driving speed will be displayed prominently on the LED screen. The large font ensures easy readability.
- Unit Selection (KM/H or MPH): The device supports both Kilometers per Hour (KM/H) and Miles per Hour (MPH). Refer to the device's physical buttons or internal settings (if applicable, not explicitly mentioned in provided data, assume automatic or a simple switch if present) to switch between these units. (Note: Specific instructions for unit switching are not detailed in the product data. If a button exists, it would typically be on the side or back of the unit.)
- Visibility: The integrated shading plate helps maintain clear visibility of the display in various lighting conditions, including bright daylight and night driving.

Image: The compact size of the Irfora HUD unit displaying speed, emphasizing its minimal footprint on the dashboard.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the display screen and the device body. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the unit.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Water Exposure: This device is not waterproof. Protect it from rain, splashes, and high humidity.
- Cable Care: Ensure the USB power cable is not kinked, pinched, or subjected to excessive tension, which could damage the cable or the device's port.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power from vehicle's 12V outlet; USB cable not properly connected; faulty cable/charger. |
|
| Speed display shows "0" or is flashing. | No GPS/BeiDou signal or weak signal. |
|
| Inaccurate speed reading. | Temporary GPS signal fluctuation; comparison with vehicle's built-in speedometer. |
|
| Display is difficult to read in bright light. | Direct sunlight or strong glare. |
|
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Irfora |
| Model Number | TYHFRK21099-3 |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Dimensions (L x W x H) | 13 x 10 x 4 cm (5.12 x 3.94 x 1.57 inches) |
| Weight | 130 grams (approx. 4.59 oz) |
| Power Source | USB (DC 5V) |
| Speed Units | KM/H, MPH (selectable) |
| Positioning System | GPS and BeiDou Dual Mode |
| Display Type | LED Digital Display |
| Origin | China |
9. Warranty and Support
Specific warranty information for the Irfora GPS Head-Up Display Speedometer is not provided in the product details. For warranty claims or technical support, please refer to the retailer or the manufacturer's official website. Keep your purchase receipt as proof of purchase.
For further assistance, you may contact the seller directly through the platform where the product was purchased.