Feature:1. DUAL GPS AND BEIDOU DATA: The car HUD features both GPS and Beidou dual data systems, ensuring accurate speed readings and navigation. With a Micro USB interface, it offers plug and play installation without any damage to your vehicle.2. CLEAR DISPLAY WITH ANTI GLARE TECH: Utilizing advanced metal nano technology, speed meter eliminates unnecessary reflections for a clearer display. The included sunshade effectively blocks excess light, ensuring that the screen is easy to read during the day and not harsh on the eyes at night.3. FAST REFRESH RATE: Equipped with a 10Hz high refresh rate GPS and Beidou dual mode chip, this speed gauge updates your speed information quickly at 10 updates per second, providing real time accuracy without any lag.4. SLEEK AND ADAPTIVE DESIGN: The all in 1 design features a brushed metal finish and a unique side groove pattern. With its automatic light sensing technology, the digital speedometer adjusts brightness automatically for optimal visibility, whether it's day or night.5. COMPACT AND CONVENIENT: The compact size of the windshield speedometer projector allows it to fit seamlessly in any corner of your vehicle without obscuring your driving view. It connects to the car's USB (5V) power supply, automatically turning on and off with your vehicle.Specification:Item Type: HUDSize: Approx. 95x50x30mm / 3.74x1.97x1.18inShell Material: ABS + PCScreen Size: 3.5 InchMeasurement Unit: Km/H, MPH (Adjustable)Resolution: High DefinitionInput Signal: GPS+BeidouFunction: Measuring Vehicle Speed, Driving Direction, Single Travel Time, Single Travel Distance, Clock, Ambient Light, Overspeed AlarmPower Port: Micro USBWorking Voltage: 5VApplicable Vehicle Models: Universal fit, automobiles, motorcycles, ATVs, UTVs, motorboats, speedboats, etc..Package List:1 x HUD Host1 x Micro USB Cable1 x Reflective Film1 x Antislip Pad1 x Instruction Manual