GPS Car HUD Head-Up Display – Digital Speedometer MPH/KMH
Always Know Your Speed at a Glance
The GPS G4S HUD Car Head-Up Display projects your real-time speed, time, and overspeed alerts directly into your line of sight — keeping your eyes on the road and your hands on the wheel. Powered entirely by GPS satellite signal, it works with virtually any vehicle: cars, trucks, buses, bicycles, and scooters. No complicated installation, no extra sensors — just plug in and drive.
Made in Mainland China.
Key Features
- True Plug & Play: Simply connect the USB cable to your car's power supply and the display activates instantly. No configuration, no pairing, no fuss.
- Satellite-Accurate Readings: The built-in GPS chip pulls speed data directly from satellites for smooth, skip-free readings in MPH or KMH — your choice.
- Large, High-Contrast LED Display: Bold white LED digits are easy to read both in bright daylight and at night. Includes a built-in sunshade hood to reduce glare even in direct sunlight.
- Overspeed Alert: Set your own speed threshold and receive an instant visual alert the moment you exceed it — a smart nudge to keep your driving safe and responsible.
- Real-Time Clock Display: Always know the time without taking your eyes off the road.
- Universal Compatibility: Designed to work with all cars, SUVs, vans, trucks, buses, bicycles, and scooters regardless of make or model.
- Compact & Discreet: At just 52 × 52 mm (approx. 2" × 2"), it sits neatly on your dashboard without obstructing your view.
- Durable ABS + PC Construction: Tough, lightweight materials built to handle everyday in-vehicle use.
Specifications
| Display Units | MPH / KMH (switchable) |
| Signal Source | GPS Satellite |
| Display Color | White LED (Green & White display) |
| Material | ABS + PC |
| Dimensions | 52 × 52 mm / 2.03 × 2.03 in |
| Power | USB (cable included) |
| Country of Origin | Mainland China |
What's in the Box
- 1 × GPS HUD Head-Up Display
- 1 × USB Power Cable
- 1 × Anti-Slip Dashboard Pad
- 1 × User Manual
Important Note
Because speed data is sourced from GPS satellites, testing in an indoor or underground environment (home, parking garage) may result in incomplete or inaccurate readings. For best results, test outdoors with a clear sky and strong satellite signal while the vehicle is in motion.
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Frequently Asked Questions
Q: Does the GPS HUD head-up display work with any car or vehicle?
A: Yes! Because it uses GPS satellite data rather than an OBD port or vehicle-specific connector, the GPS HUD display is fully compatible with all cars, SUVs, trucks, buses, bicycles, and scooters. As long as you have a USB power source, it works.
Q: Can I switch between MPH and KMH on the digital speedometer?
A: Absolutely. The display supports both MPH and KMH and can be toggled easily to suit your region or preference.
Q: Why isn't the speed showing correctly when I test it at home?
A: The device relies on GPS satellite signals, which may be weak or unavailable indoors or in enclosed areas like parking garages. Take the device outside with a clear view of the sky and test it while the vehicle is moving for accurate readings.
Q: How does the overspeed alarm work?
A: You can set a custom speed threshold on the unit. When your vehicle's GPS-measured speed exceeds that limit, the display triggers a visual overspeed alert to remind you to adjust your speed — a helpful feature for safe, mindful driving.
Q: Is any special installation or wiring required?
A: No. The GPS HUD head-up display is completely plug-and-play. Simply place it on your dashboard using the included anti-slip pad and connect the USB cable to a car USB port or USB adapter. It powers on and begins working immediately.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.