Features: Precision Car Speed Detector: This advanced speedometer utilizes cutting- to provide accurate and reliable speed readings, ensuring you stay informed r vehicle's velocity with utmost precision. Universal Heads Up Display (HUD): Designed to fit seamlessly into any automobile, this hud projects essential driving information onto your windshield, allowing you to keep your eyes on the road while conveniently monitoring your speed, navigation, and other vital data. Over Speed Alarm & Fatigue Driving Reminder: Our speedometer comes equipped with an intelligent over speed alarm system that alerts you when you exceed a predefined speed limit, ensuring your safety on the road. Additionally, it features a fatigue driving reminder to prevent drowsy driving and promote responsible driving habits. Plug and Play Speedometer Odometer: With its hassle-free installation process, this speedometer odometer can be easily plugged into your vehicle's OBD-II port, instantly providing you with accurate and real-time speed and mileage information. No complicated setup or technical expertise required. Suitable for All Automobiles and Rugged Terrains: Whether you drive a truck, van, motorcycle, or car, this versatile speedometer is compatible with all automobile types. Its robust construction and durability make it suitable for use on rugged terrains, ensuring reliable performance in any driving condition. Specification: Material: ABS Size: 3.7*8.6*1.6cm Notes: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in a difference in color than in real. Include: 1 * Car Head-up Display 1 * USB Cable 1 * Reflecting Film 1 * Manual 1 * Non-slip Sticker