wiiyii Heads up Display for Cars, M19 GPS Digital Speedometer with Speed MPH, Windshield Projection for All Vehicles

VISIBLE COMPACT DESIGN: The small size of 3.8 inches avoids obstructing the driving sight; the multi-color display function enriches the visual experience; New tooling design with Sunshine Hood, Not glaring. MULTIPLE FUNCTIONS: M19 contains multiple functions including driving speed, voltage, clock, driving direction, 100 km acceleration, altitude, driving time, and driving distance. The speed unit is KM/H or MPH, and the driver can switch freely according to their own habits. ALARM FUNCTION: Over-speed Alarm and fatigue driving alarm to ensure your safe trip. Default setting is 120KM/H or 120MPH. You can adjust it according to your needs. When the product detects speeding, it will beep to remind the driver. PLUG & PLAY INSTALLATION: Power through vehicle cigarette lighter. The M19 displays the real and instant speed with GPS satellite. Compatible with all cars, trucks, bicycles, and motorcycles. CERTIFIED PRODUCT: CE FCC RoHS Certification ensures product quality and compliance with international safety standards. GPS SATELLITE TECHNOLOGY: Utilizes advanced GPS satellite positioning to provide accurate real-time speed readings and location data for precise navigation and speed monitoring. WINDSHIELD PROJECTION DISPLAY: Projects speed and vehicle information directly onto your windshield for easy viewing without taking your eyes off the road, enhancing driving safety and convenience