Features: Upgraded Dual system mirror link:IOS/Android mirror link IOS one-way:IOS supports mobile phone one-way projection to the machine Android two-way:Android supports mobile phone two-way connection Not applicable to all mobile phones Built-in GPS Navigation: Users can purchase directly from play store for offline navigation. With wifi connected, Google Maps can be used perfectly, you can go anywhere you want and never get lost again Built-in WIFI: Connect to WIFI, and you will find a new world，the most convenient one is the online map Rear view camera: Need to choose the camera,the car is connected to the reverse gear to automatically switch(requires optional) Steering wheel control: Through it you can control the functions you need by steering wheel, more convenient.