Why is the speed sometimes inaccurate or 1–2 MPH off?

GPS speed may briefly fluctuate in tunnels, underground garages, or areas with weak satellite signals. The H1 also supports manual speed calibration to fine-tune accuracy if needed.

Can I switch between MPH and KMH?

Yes. The H1 model supports switching between MPH and KMH. You can change the unit in the settings menu by following the steps in the user manual.

Can I adjust the brightness manually?

Yes. The H1 features automatic brightness adjustment, which adapts to ambient light conditions. You can also manually adjust brightness levels in the settings to ensure comfortable visibility at night.

Does it have a speed warning or alarm?

Yes. You can set a custom overspeed alarm. When your speed exceeds the preset limit, the device will alert you to help promote safer driving.

Does the display show direction?

Yes. The H1 includes a compass function that displays driving direction (N / S / E / W).

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Heads up Display for Cars,Car HUD,Head up Display for Car,Car Speedometer Display,Automatic Brightness Adjustment,Speeding Alert,USB Cable Plug & Play

Product ID: 634911884

Details

Brand
KUOWEIHUD
Item Weight
0.1 Pounds
Item dimensions L x W x H
3.4 x 1.6 x
Material
Acrylonitrile
Number of Items
1

🌗Auto brightness adjusts day & night

📡Dual GPS+BDS chip, 10Hz refresh

🔌Universal USB plug & play

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Description

🚗 Upgrade your drive: See speed, stay safe, and never miss a beat!

EFFORTLESS VISIBILITY - Intelligent light sensors automatically optimize screen brightness, ensuring crystal-clear display in any lighting condition.
STAY SAFE STAY ALERT - Built-in speeding alerts flash and beep when you exceed limits, helping you avoid tickets and drive smarter.
PLUG PLAY SIMPLICITY - Universal USB compatibility means instant setup—no apps, no fuss—compatible with cars, trucks, and motorcycles alike.
PRECISION AT EVERY MILE - Dual-mode GPS+BDS chip tracks up to 32 satellites with a rapid 10Hz refresh rate for pinpoint speed accuracy.
CLEAR SPEED READOUT FOR ALL - Large font and anti-reflective metal shading technology guarantee easy readability—even with sunglasses or for older eyes.

The KUOWEIHUD Heads Up Display is a compact, plug-and-play device that projects your vehicle’s speed directly onto your windshield. Featuring a dual GPS+BDS chip with 10Hz refresh rate, it ensures fast and accurate speed tracking by connecting to up to 32 satellites. Its automatic brightness adjustment adapts to ambient light for optimal visibility day or night. Compatible with any vehicle equipped with a USB port, it offers easy installation and includes a speeding alert system to enhance driving safety. Designed with large, anti-reflective fonts, it provides clear speed readouts for all drivers.

Specifications

ASIN	B0D6G32778
Brand Name	KUOWEIHUD
Customer Reviews	4.2 4.2 out of 5 stars (1,156)
Included Components	H1-Green HUD
Item Dimensions	3.4 x 1.6 x 0.4 inches
Item Weight	0.1 Pounds
Manufacturer	KUOWEIHUD
Material Type	Acrylonitrile Butadiene Styrene (ABS)
Model	H1
Part Number	H1-Green
UPC	768771768962
Unit Count	1.0 Count

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