feature: 1. Applicable to all cars worldwide. Plug and play. 2. 5.5 inch screen and HD display 3. Multi-color design makes the picture richer and easier to read 4. The use of nanotechnology to eliminate unnecessary reflections can make the displayed information clearer. 5. Rich display content: vehicle speed, driving direction, driving time, driving distance, real-time, satellite number, altitude, speeding alarm, free switching between kilometers and miles 6. The automatic start and stop switch of the vehicle can effectively protect the car battery; at the same time, the manual switching mode is retained, making it easier to control the HUD. 7. Automatic and manual brightness adjustment mode, driving without glare. Specification: Working voltage: DC8-18-24V Working current: 40mA Sleep current: 15mA Compass Accuracy: +-1 degree Speed range: 0-400KM Real-time Accuracy: Same as Satellite HUD size: 13cm*7.8cm*1.5m 12V car charger: 1000mA, USB cable: 1m Weight: 200g Size: 230*75*14mm