Features: The Smart OBDII HUD combines multifunctional displays (coolant temp, battery voltages, 0 100m acceleration) with real time vehicle diagnostics and error code clearance for comprehensive driving insights. Featuring an auto adjusting color LCD screen with light sensors, this ABS built heads up display ensures crisp visibility day/night while monitoring speed alerts, engine faults, and critical systems warnings. Ideal for car enthusiasts, mechanics, and safety focused driver seeking advanced vehicle data tracking without complex installations. Perfect for daily commutes, performances tuning, or roadside diagnostics, simply plug its OBDII cable into your car's port for access to driving parameters. This automotive gauge cluster automatically syncs with your vehicle, transforming windshields into intelligent dashboards for smarter journeys. Specifications: Component: ABS Size: About. 10.67x8.38x7.37cm/4.2x3.3x2.9in Package Includes: 1pc Car Head Up Display note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.