1. Compact LED display: This GPS speedometer features a large HD subtitle display that shows realtime driving speed with LED capital letters. It automatically adjusts brightness for clear, visible images. 2. Realtime cycling speed monitoring: Equipped with GPS and Beidou dualsystem positioning for speed measurement, ensuring stable signals, fast updates, and no delay, allowing you to monitor driving speed instantly. 3. Easy installation: The smart car HUD display operates via plugandplay USB. Simply connect it to your car using the included cable, and with the nonslip pads, you can install it anywhere in the vehicle. 4. Appearance and screen: This car speedometer is compact and sleek, featuring a minimalist design with a large LED screen for speed display, offering a visual feast of technology. It ensures no obstruction of view, enhancing driving safety.