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MLY 1 PC Heads Up Display, Large Font Digital Speedometer Projector, Plug and Play Color Font with Speed MPH Display, Universal Digital Speed Monitor for Car Windshield (Black)
$11.99
Guaranteed Safe Checkout
Features & Compatibility
Price: $11.99
(as of Mar 28, 2026 14:09:21 UTC – Details)
Product Features
Large Font Dynamic Speedometer Projection
Dual-Mode Speed Tracking Display：Utilizes dual-source positioning technology for real-time speed calibration, projecting MPH values onto the windshield with bold, high-contrast digits. Real-time dynamic adjustment ensures precise speed monitoring for safe driving.
Auto-Brightness Adjustment
Built-in light sensor adapts display clarity for day/night use, eliminating glare for sunglasses wearers and drivers with low vision.
Universal Plug-and-Play Setup
Installs in seconds via USB port—no tools or wiring required. Compatible with cars, trucks, and motorcycles, powering on/off automatically with vehicle ignition.
Compact Windshield Design
Low-profile HUD sits discreetly on the dashboard without blocking visibility, including an anti-slip pad for stable driving on rough roads.
Signal Reliability
Note: Signal may attenuate in indoor or signal-blocked spaces; reposition near windows for optimal performance.
Dynamic Speed Sensing Functionality: This heads-up display uses dual-mode signal integration to deliver rapid and precise speed readings.
Automatic Brightness Feature: The display comes with intelligent light sensors. These sensors adjust the screen brightness automatically according to external light conditions. It guarantees clear visibility in bright sunlight or during dimly-lit nights, enhancing driving safety and providing a comfortable viewing experience.
Universal Compatibility: The digital speedometer is designed for easy installation. It’s suitable for all vehicles with a USB port, such as cars, motorcycles, and trucks. No matter if you drive a compact car or a large commercial vehicle, the installation process is easy, allowing you to enjoy its benefits right away.
Simple Plug and Play Setup: This heads up display is incredibly easy to set up. Just use the USB cable for a plug and play installation. It automatically turns on and off with the vehicle. There’s no complex installation required, making it convenient for all types of drivers.
Clear and Large Font Display: The heads up display features large fonts for easy reading. The metal blackening technology reduces excess reflection, ensuring a clear display of speed in MPH. It’s suitable for drivers with different visual abilities.
Dediyoh –
Great
Very useful
Oldesteen –
Not great
Slides all over the dash. Shows wrong speed half the time, especially if it has been in the sun for a while.
Marlena Adams –
Digital mph for dash
I bought this thinking it was the one that projects on the windshield, wrong! This actually just sits on the dash towards you. That’s it. Besides that mix up, product works the way it’s supposed to.
Terry –
Brightness
I like that it’s so bright at night. It’s hard to see my dashboard
Renee C. –
Giving it 2 stars because it could be good, but the unit I have is not
This worked good for 1/2 day. I installed this heads up display speedometer in a vehicle that the speedometer is malfunctioning. Until I get it fixed, I wanted something simple to show the speed. I plugged this into the USB and set it on the dash. On the drive into work, it was working great. I used my phone with Waze to confirm the accuracy, and it matched. At lunch time I went out and drove to grab some good. When driving through the parking lot it said I was doing 35+ and then on a side street that I was doing over 70+. Now it sometimes comes on and other times it shows dashes and other times it won’t show anything at all. While it was working it was nice and easy to use.
Kristi –
Works great
Works great
Roger Appelinski –
accurate speed reading but awkward plug and only one mirror film
I have trouble seeing the speedometer on our minivan. I have to have the steering wheel down to be comfortable such that it blocks most of the speedometer. I thought I’d try this heads-up-speed display from Mly. It’s inexpensive and reports an accurate speed via GPS signals. But, I’m not sure about keeping this.My first challenge is that the USB-C port for this is on the front side (facing the dash) instead of the back. So, unless you have a USB port on your dash, you have to have a cord go up on the dash and go around to the front of the unit. That’s just poor design and awkward.They also only include one of the mirror films to attach to the windshield. So, if you make a mistake, want to change position, or change vehicles, you are out of luck. I have tried using it without the film and this will work for you in the dark, but not during the daylight hours.I’m not sure if I will keep using this or look for something else.
jass gill –
Does not work at all waste of money