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Car Windshield Projection Display Overspeed Alarm

19 reviews
100% of buyers enjoyed this product! 1846 orders
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HUD Abbreviation for Heads-Up Display. It displays driving data on the front windshield such as

Speed, water temperature, voltage, single mileage, etc.; Avoid the unsafe condition caused by the driver looking at the meter while driving. The driver can instantly read the driving information and can always keep the best condition on the road through the HUD.

1. Multi-function: speed, water temperature, voltage
2. Engine icon, water temperature icon
3. Voltage icon, fatigue driving icon
4. Light sensor: HUD can automatically adjust the brightness according to the environment
5. Speed unit: MPH-mile, KM/H-km

Button functions:
Short press (1 second)

Long press 5s until the display image comes
1. Short Press
To switch voltage, water temperature,vehicle speed,enter into menu setting to switch menu options or parameter values

Long Press
To enter into menu settings (see instructions for Menu 1-12) and press 5 seconds to save and exit

2. Short Press
Menu – and parameter value –

Long Press
To turnon and off the buzzer(default choice is buzzer on,you can freely choose to turn on or off)

3. Short Press
Menu + and parametersvalue +

Long Press
Long press till the screen is all on, and the fault code is eliminated, long press again to exit

4. Power switch
Long press for 5s to turn off,again to turn on

5. OBD connection port


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Amazmerch (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Real customer reviews

19 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
28 May 2021

This device has been a major addition to my vehicle and an accessory that is useful every single time I drive. The install was incredibly easy even though the manual can be difficult to read or understand but it’s basically plug-and-play. The brightness is excellent in all conditions and the flat wiring provided made it easy to conceal for a clean dash. After a slight adjustment to the speed setting for accuracy I hardly look at my speedometer anymore.

verifed buyer
26 May 2021

This is all you want for HUD

verifed buyer
22 May 2021

Easy installation

verifed buyer
18 May 2021

you dont even need the windshield film.

verifed buyer
13 May 2021

Greatest item I’ve ever bought! I’m buying another one right now for my second vehicle!!

verifed buyer
3 May 2021

Works great very clear and accurate.

verifed buyer
15 Apr 2021


verifed buyer
7 Apr 2021

It is accurate to the car, obviously, it gets the data from the same computer as the speedo. It is bright enough to be seen driving into the morning sun on a cloudless day in FL. It is plenty bright. I want one of these in every car I drive, forever. I love just knowing how fast I am going and other info without having to move my eyes from the road.

verifed buyer
6 Apr 2021

The set up was dead easy. I have a 2012 Honda CRV. I just plugged it into the OBD2/GPS port and it was up and running. I took a few days to drive around with the projector on my dash before I settled on a place I liked it and then marked the window to apply the screen. It looks so much better. I am really glad I played with it for a couple of days before settling on where it goes.

verifed buyer
1 Apr 2021

SO, I gave it a five for suction power but it should just get a five for not slip powers. It is stable and sits like a rock. I am an aggressive drive, it will stay put under above normal situations.

verifed buyer
21 Mar 2021

After reading so many reviews, I decided to give it a chance. It works so well I absolutely love it. I use it on GPS mode and at first the speed was a bit off from the dash. When I would go up to 30 it would read the same as the dash but once I got to 60 it would read 65. I followed the instructions it came with and it was pretty easy to adjust. The instructions does say if you won’t be using your car much to unplug it as it still gets battery power even if the car is off. I just prefer to unplug it every time I don’t use my car but other than that I love my speedometer!

verifed buyer
5 Mar 2021

Great product.

verifed buyer
13 Feb 2021

I was able to find the install point and once you get that it’s pretty simple to install once you have that. I still want to test in daylight and work on positioning but directions really helped me navigate the menus and figure out display.... now all I need is during day test while driving and to finalize if I need sheet or not (probably due).

verifed buyer
9 Feb 2021

Was pleasently surprised device was smaller than the pics make it seem to be. It works great

verifed buyer
28 Jan 2021

Excellent product . I couldn't ask for more , especially with this price. I love it.

verifed buyer
27 Jan 2021

almost seems to good too be true lmfao but nah its fr pretty nice u just have to have it setting on the right angle and it looks almost like it belongs in the car

verifed buyer
29 Dec 2020

Easy to install

verifed buyer
21 Dec 2020

I drive a 2004 Honda Civic and I didn’t have to adjust it at all out of the box. Outstanding device for the price. I paid over $2500 to add a HUD to my 2018 BMW X1 and it doesn’t do as much as this HUD.

verifed buyer
9 Dec 2020

I really like this HUD! It's bright enough to read in direct sunlight. Once I calibrated the speed, everything was great. The only con is sometimes there's a small delay in the display. Once I got used to it, I barely notice it. I would definitely buy this again!

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