Universal M4 OBD2 Multi-Color Digital Head-Up Display RPM Speedometer Unit
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The M4 OBD2 Head-Up Display projects real-time driving data such as speed, voltage, temperature, and mileage directly onto your windshield in vibrant colors. With automatic brightness adjustment and an anti-glare hood, it ensures clear visibility day or night. Easy plug-and-play installation via the OBD2 port makes it a perfect upgrade for safer, smarter driving.
add_circle The Upside
- check Enhances driving safety by keeping eyes on the road
- check Easy plug-and-play installation with no tools required
- check Multi-color display with automatic brightness adjustment
remove_circle The Downside
- close May not be compatible with all vehicle models
- close Reflective film required for best visibility on some windshields
- close Limited to OBD2 data; no GPS or advanced features
Specifications & features
Key features
- check_circle Projects speed (km/h or mph), water temperature, and voltage in full color
- check_circle One-click toggle between speed, temp, and voltage modes
- check_circle Tracks single-trip mileage even after ignition is turned off
- check_circle Overspeed and temperature alarms for added safety
- check_circle Automatically adjusts screen brightness based on lighting conditions
Specifications
Brightness Adjustment
Automatic
Connectivity
OBD2 Port
Digit Size
2.3 cm
Displayed Data
Speed, Voltage, Temperature, Mileage
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