6 Month Manufacturer's Warranty: The ACECAR HUD Head-Up Display will be repaired or replaced free of charge if it fails under normal use during the warranty period. Please contact us from 's purchase history. Compatible Models: All models. Simply attach the GPS meter to the dashboard and install it in less than 1 minute without tools. Any compatible model can be easily installed. With Compass - Features a GPS navigation direction compass to help drivers by indicating directions. Equipped with a light sensor that adjusts its brightness according to different light, it is very clear in bright light, providing a safer day and night driving experience. Abnormal Alarm Function: Additional instrumentation with speeding and fatigue driving alarms make your driving safer and more comfortable. Multifunction Speedometer: Displays the speedometer, clock, number of satellites, direction of travel and other information in your driving view. You can safely view driving information without taking your eyes off the front, allowing you to relax and focus on driving operations more safely.