Purchase FAQ: Q1Is it suitable for my car?1.Check the corresponding model and year of the product and car.2.Check that your car's central control (radio location) and product face frame match.3.If you still can't judge, please send us the original car radio installation location (front) pictureOur customer service staff will help you check and find the correct and suitable product.Q2How do I know if I choose a WIFI or 4G Android head unit? What are the upgraded functions of the 4G head unit?The option with WIFI is a 4-core Android head unit, and the option with 4G is an 8-core Android head unit. The 8-core Android head unit supports the use of 4G network, built-in wireless carplay and wired Android auto, better performance and faster running speed.Q3What are AHD and ADAS in options?AHD is a high-definition night vision starlight reversing rear view camera for our android head unit. ADAS is a dashcam, front camera, high-definition driving recorder.Q4:What is AI Voice?AI Vioce is an intelligent voice wake-up control that supports voice-activated opening and closing of specific software, for example, "turn on the radio, turn on the navigation, turn off the video," **If your car's factory configuration is high-end(with panoramic and navigation)please purchase an additional CANBUS