1. HD fisheye 6 glass lens with a horizontal angle of 180 degrees 2. 4 universal cameras 3. 1 channel CVBS AV output 4. 3D screen display provides more field of view, 3D, 2D can be switched freely (flashing high beam) 5. 10 models can be arbitrarily selected (car, SUV, specific models can be customized) 6. Support U disk, TF card recording, maximum support 32G memory card (C10 memory card is preferred) 7. Parking shock video, after the parking lot can save evidence 8. Tape splicing (saving the traditional checkerboard cloth, more convenient) 9. Supports dull night vision, loop recording and parking video Remarks: The original car comes with a screen that may require an external decoder to display the picture. The navigation screen of the aftermarket does not need a decoder.