Please note that this rear view camera is Fit for Android DVD player and TFT Car Monitor. 2 Cameras Optional: Tips, About E options:Cameras with CVBS video signal is universal for all monitors, but AHD will only work with AHD monitor!Please check whether the Android unit supports AHD camera!If AHD cannot be selected, AHD cameras are not supported!Go to Car settings >> Factory settings >> Reverse (picture) settings >> Select AHD Tip: because there may be slight differences between cars produced in different countries,please check the size before buying:Description Model Excluding all countriesFor Mazda 6 M6 GJ 2013~2018 Pre-facelift For Mazda Atenza GJ 2013~2018 Pre-facelift For Mazda Atenza Wagon / Sedan (Japan) For Mazda6 Grand Touring (USA) For Mazda 3 M3 Hatchback 2013~2018 For Mazda Axela BM Hatchback 2013~2018 For Mazda CX-4 CX 4 CX4 Koeru 2016~2019If you find the size is not suitable, please do not buy or you can contact us!! 160/170 (720P) View Angle (Option D, E ) Real 160/170 wide viewing angle. the display looks like fisheye, glass lens, with a wide field of vision, dangerous blind spots are a thing of the past. 2021 AHD Camera, Analog High Definition Technology (Option E ) AHD 720P Optional If the multimedia does not have AHD function, it does not support AHD cameras!