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Universal Car HUD GPS Speedometer G20 Car Heads-up Display Plug and Play with USB Connection,Displays MPH, Comes with Compass Over Speed Alert HD Display Speedometer for All Vehicles
$18.99
Guaranteed Safe Checkout
Features & Compatibility
Price: $18.99
(as of Mar 29, 2026 04:08:05 UTC – Details)
Product description
The alarm feature in the car’s head-up display HUD enhances driving safety. When the vehicle’s speed surpasses the preset maximum limit, the device automatically flashes a warning. Additionally, the auto-dimming function adjusts the screen brightness based on ambient light conditions for optimal visibility
The car’s head-up display (HUD) includes safety-enhancing features such as a speed alarm and fatigue driving reminder. When the vehicle exceeds the preset speed limit, the system automatically flashes a warning. These user-friendly functions help improve driving safety.
360 Degree Rotation
The 360-degree rotating stand features a suction cup for flexible placement, allowing you to adjust it to any desired angle. With this setup, you can check your speed without looking down, helping to ensure safer driving.
Overspeed Alarm Function
The speed alarm activates once the vehicle reaches preset default values (150/180/199 MPH). Users can manually adjust these default speed thresholds within a customizable range (0-250 MPH) to set their preferred over-speed warning limit.
HD LED Automatic sensitivity adjustment
Built-in light sensor to sense the brightness of the external environment and automatically adjust
Non-destructive installation, plug and play
Connect the USB cable to the USB port or the cigarette lighter car charger port
2024 New Upgraded High definition head-up display: The high-definition GPS speedometer brings convenience and safety to drivers. It has a large 3 inch screen that directly presents the real-time digital driving speed of the car to the driver’s line of sight, without the need to look down at the dashboard. In addition, this HUD is not just a speed display, head-up hud display has multiple functions including speed, compass, and speeding warnings
Universal and easy installation: The universal GPS speedometer can easily adapt to all vehicles equipped with USB ports, including cars, electric vehicles, buses, pickups, trucks, scooters, hybrid vehicles, golf carts, boats, trains, bicycles, motorcycles, and even diesel vehicles. The installation process is extremely simple, simply plug the USB cable into the vehicle’s USB port, and instantly achieve plug and play without complex settings or adjustments, allowing you to easily enjoy the convenience brought by GPS speedometer.
GPS HUD speedometer:With outstanding GPS satellite technology, our HUD GPS speedometer device is capable of performing precise and accurate velocity measurements. Its outstanding stability endows speed data with unparalleled reliability and accuracy, providing a solid technical backing for your navigation and positioning experience
Overspeed alert function: G20 mph GPS speedometer not only accurately reflects your driving speed, but also incorporates a thoughtful overspeed alarm function to safeguard your driving safety. When the vehicle speed exceeds your pre-set safety limit, the device will immediately activate a flashing warning to remind you to slow down in a timely manner, ensuring your safety while driving.
Warm Tips: When starting the G20 car’s head up display for the first time, to ensure smooth reception of GPS signals, you need to patiently wait for 2-4 minutes. Please note that in order to ensure the normal operation and precise positioning of the equipment, avoid using this product in areas with weak or unstable signals
Daniel Canada –
It’s very accurate
Works very good
Ryan Mayers –
It works!
I drive an older cement truck and the speedometer works about 10% of the time. So I got this and im glad I did. Simple but quite nice!
Scott –
Not a accurate device
Ordered to use in my jeep because I have oversized tires , mph seemed off with this unit so I checked it against my other more expensive unit I have in another vehicle and then again against a roadside mph hour sign and my thoughts were correct unit was 8-10 mph off very disappointed would not recommend.
Samson Romano –
Works right out of the box
Plug and play set up, works great for price. I use it in my boat but I did test it in my truck and speed was a few mph off and got worse at high speeds. Works great for what I need as precision doesn’t really matter especially because I use it for wakeboarding and really only go around 21 mph and so far haven’t had any issues. Would be five stars if I thought it was more accurate but all in all does exactly what I need it to do and mount works nice. Great for the price.
Bernardo torres –
Works great
Perfect for us old vehicle owners
Cole campsey –
Accurate and very little delay
Very impressed with this I took it with me in my car with working speedometer to test and it is almost no delay and accurate within 3mph.
coconutmonkey –
Speed accuracy is poor.
We bought this for our daughter who is learning to drive, however we were disappointed that the speed accuracy is off by almost 4 mph when compared to our phones gps in Google maps.Otherwise easy to install and ready go right out of the box.
Jamie Genovese –
Recommended!
Works great!
Rita –
Works great!
JOCELYN FOURNIER –
bonjour j ai faite une tres bonne achat je le conseille a tout monde merci
J. W. –
This is a good quality product and fairly accurate within 1 or so from my actual speedometer, but you need to calibrate it during the first use. It’s still still working perfectly with me after 6 months of use.
geoff pocknell –
UNIT WOULD NOT POWER ON AT ALL TRIED DIFFERENT POWER CORDS AND SUPPLY, WAS REALLY HOPING TO USE THIS ON THE WEEKEND AS WE DID A LONG BOAT TOUR. AND NOTHING NOT HAPPY WITH THE ITEM AT ALL
RVLive –
Nice large view. Our motorhome is mph and it’s nice to have a simple km/h display