🚀 U.S.A Best Selling Head display
Over 250,000+ Happy Customers
Head Display Speedometer
Head Display Speedometer
🚘 Drive Smarter, Safer, and Faster : Get Real-Time Speed & Engine Data – Projected on Your Windshield
- Real-Time Data
Safety Alerts
Easy Installation
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"Super easy to install and works great. Shows everything I need while driving!"
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"Clear display, accurate speed, and the alerts are really helpful."
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"Love the plug-and-play setup. Makes my car feel high-tech!"
Head Display Speedometer
Features
Features
Real-Time Speed Display (KMH/MPH)
Projects your current speed directly onto the windshield.
Full Engine Data
Shows RPM, water temperature, fuel usage, voltage & more.
Over-Speed Alarm
Alerts you when you exceed your set speed limit — great for long drives or new drivers.
Fault Code Alerts
Detects and displays engine errors instantly — avoid costly repairs.
Plug & Play via OBD2
No setup or tools needed. Just connect to the car’s OBD2 port.
Universal Compatibility
Works with most cars built after 2008 (with OBD2 support).
Crystal-Clear Projection
5.5” transparent display with automatic brightness adjustment — visible day & night.
Shipping & Returns
Shipping & Returns
🚚 Fast & Reliable Shipping – Order delivers in 1-2 days.
🔄 Hassle-Free Returns – If you’re not satisfied, return it within 30 days.
🛑 Stop Guessing, Start Driving Smarter!
Enjoy real-time speed & engine data, instant fault code alerts, effortless plug & play setup, and a crystal-clear windshield projection—day or night.
Real-Time Speed & Engine Data
Overspeed & Fault Code Alerts
Plug & Play — No Setup Needed
Relive the Classics, Love Every Second
🛡️ See Everything Without Looking Down
F4 HUD projects your speed and engine data directly on your windshield—no distractions, just safer driving.
Plug & play in seconds, no setup or tools needed.
Your Smart Driving Companion: Real-Time Data, Zero Distractions
Stay focused on the road while monitoring real-time speed, RPM, fuel use, and engine health — all projected directly onto your windshield. No setup, no distractions — just smarter, safer driving.
One Plug, Total Control
No apps, no complex setup, no monthly fees. Just plug the F4 HUD into your car’s OBD2 port and instantly unlock full-speed tracking, engine alerts, fuel data, and more—displayed right in your line of sight.
📊 Product Specifications
Get to know the technical details that power your F4 HUD. From screen size to voltage range, here’s everything you need to ensure perfect compatibility and performance for your vehicle.
Real drivers. Real feedback
94%
said they feel safer with real-time speed & alerts
92%
found installation easy with plug & play setup
88%
said the clear projection helped them stay focused
89%
detected engine issues early thanks to fault code display
Results surveyed from over 1,000+ customers
Better Workouts, Brighter Days
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★★★★★
“Must-Have for Daily Drivers”
“Super easy to install and works instantly. I love seeing my speed and engine info without looking down!”
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★★★★★
“Saved Me from a Speeding Ticket”
“The overspeed alert is a lifesaver, especially on long drives. Very helpful and worth it.”
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★★★★★
“Detected a Hidden Engine Issue”
“Caught a temperature issue early thanks to the fault code display. Saved me a big repair bill!”
GOT QUESTIONS ?
We've Got Answers!
Will it work with my car?
Will it work with my car?
The F4 HUD works with most vehicles made after 2008 that support the OBD2 protocol. Just plug it into the OBD2 port — no setup required.
Is it difficult to install?
Is it difficult to install?
Not at all! It's 100% plug & play. Simply connect the HUD to your car’s OBD2 port and it will start displaying data instantly.
Can I switch between KMH and MPH?
Can I switch between KMH and MPH?
Yes, the HUD supports both KMH and MPH modes. You can easily switch between them based on your preference.