Universal M4 OBD2 Multi-Color Digital Head-Up Display RPM Speedometer Unit
M4 OBD2 Head-Up Display - Multi-Color HUD with Speed, Voltage, Temp & Mileage Readouts
The M4 OBD2 HUD is a vibrant, multi-color head-up display that projects real-time driving data directly onto your windshield. With automatic brightness adjustment and a built-in anti-glare hood, it ensures optimal visibility of your speed, voltage, temperature, and mileage - day or night. Designed for plug-and-play use via your vehicle's OBD2 port, the M4 is the perfect upgrade for safer, smarter driving.
Key Features:
- Projects speed (km/h or mph), water temperature, and voltage in full color
- One-click toggle between speed, temp, and voltage modes
- Tracks single-trip mileage even after ignition is turned off
- Overspeed and temperature alarms for added safety
- Automatically adjusts screen brightness based on lighting conditions
- Large 2.3cm digits with glare-free display and integrated lens hood
- Compact design fits discreetly on any dashboard
- Easy plug-and-play installation via OBD2 - no tools required
What's in the box
1 x M4 OBD2 Head Up Display
1 x Reflective Film
1 x Cable
1 x Non Slip Mat
1 x English User Manual
