- Real-time speed display: The GPS-driven Head-Up Display shows your speed on the screen in real time, helping you avoid looking down at the instrument cluster and drive more safely. The 5-inch LED display provides clear, easy-to-read data. - Auto brightness: A built-in light sensor automatically adjusts the display brightness for comfortable reading in day or night driving. - Flexible data modes: Choose from multiple data display modes to access the information you need quickly and accurately. - Unit choice: The head-up display can switch between MPH and km/h to suit your preference or local regulations. - Alarm and safety features: Default GPS speed indicator thresholds are 150 km/h, 180 km/h, and 200 km/h. A fatigue driving alarm is set to trigger after 8 hours of continuous driving. Both alarm functions are adjustable to meet your needs, helping you drive more safely. - Easy installation and automatic power: Connect the GPS unit via USB to your car’s USB port. The HUD powers on and off automatically with the vehicle ignition, simplifying setup and avoiding unnecessary power use. - Practical for car use: Designed for car use with straightforward integration, reliable performance, and minimal setup. 2-3 practical use scenarios - Daily city driving: Keep track of your speed at a glance to stay within local limits while keeping your focus on the road. - Long highway trips: Monitor speed more conveniently on the open road, with auto brightness for comfortable viewing and fatigue alerts to help you manage long drives. - Night driving and varied lighting: The auto-brightness feature ensures legibility in changing lighting conditions without manual adjustment.