Advanced M3 Car Head-Up Display with Multi-function OBD2 Interface, Real-Time Speed, RPM, Voltage, and Fatigue Driving Alerts

Highlights

• Displays speed, water temperature, voltage, and more directly on the windshield, ensuring safer driving without looking down at dashboard instruments.
• Easily connects via OBD2 interface for speed, engine warnings, and driving fatigue alerts. Supports automatic light adjustment with a built-in light sensor.
• Adjustable settings for speed units, temperature units, fatigue reminders, and brightness, offering tailored driving experiences for each user.
• Plug-and-play installation via OBD2. HUD adjusts brightness automatically based on the external environment for optimal visibility during day or night.