popular ! Majesun Accurate M22 Real-time Driving Information with Car Electronics Digital Speedometer Universal GPS Overspeed Alert Suitable for whole Vehicles

Highlights Product Selling Points: 1. High-Definition LED with Auto Brightness Adjustment: Experience a snug and clear visual display with the high-definition LED that automatically adjusts its brightness based on lighting conditions. 2. GPS+Beidou Dual Mode: Enjoy a smooth and accurate speed display with the high-refresh-rate 10Hz GPS+Beidou dual-mode chip. The speed information is continuously updated and displayed seamlessly at a refresh rate of 10 frames per second. 3. Key Functions: Stay informed about essential driving information at a glance. The electronic head up display shows speed, time, single trip duration, single trip distance, driving direction, satellite signal strength, vehicle speed, and current time. It automatically switches from displaying speed to time when the speed is zero. 4. GPS Compass: Navigate with ease and maintain a stress-free driving experience with the built-in GPS compass. It shows the direction of travel, offering real-time satellite synchronization for automatic time calibration. It also provides over speed alert and fatigue driving alert to help maintain safe driving habits. 5. Innovative Windshield HUD Design: The M22 is a GPS mode head-up display that utilizes the windshield characteristics to create a new windshield HUD. The simple screen design presents only the extremely important speed data, ensuring clear visibility without obstructing the driver's view. 6. Speeding Alarm and Fatigue Warning: The M22 displays speed with alarm functions to alert you when you exceed the speed limit or have been continuously driving for too long. This acts as a safety supervisor, reminding you to pay attention to driving safety. 7. Automated and Convenient: The M22 features advanced light-sensitive elements that automatically adjust the brightness according to the surrounding light conditions. It also turns on and off with the car, providing convenience without worrying about manually turning it off. When not in use for an extended pe