1. Accurate GPS positioning: the use of global satellite navigation system to ensure that no matter where the user is, can provide accurate location information. 2. Integrated compass function: The integrated design allows you to easily understand your current direction and provide direction for your journey without switching devices. 3. Real-time speed measurement: It can measure and display your speed in real time, help you better control your speed during driving, and make the journey safer. 4. HUD display: using helmet-mounted display (HUD) technology, the information display is directly in front of the driver's line of sight, without looking down at the device, improving driving safety. 5. User-friendly design: The design is simple and easy to understand, and it can be easily used without complicated operations. Adapt to a variety of weather and light conditions, regardless of day and night can be clearly visible. Colour:black Material:plastic note:With car bracket Package Contents: 1 * Digital Speedometer 1 * USB Cable 1 * Mount 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.