I have a "Changer K7" equivalent to the Hikvision F6S.
I think it is the same as the one sold as "Changer K7" in Amazon Japan and "Jomise K7" in Amazon America.
You can see the inside photo of Hikvision F6 series in FCC ID.
Dashcam Internal Photo details for FCC ID 2ADTD-AEF6 made by Hangzhou Hikvision Digital Technology Co., Ltd.. Document Includes Internal Photos APPENDIX 1
fccid.io
Upload the file for reference.
This is a file just taken out of the card.
hiv00087.mp4
This is the file exported by "Mini Player".
ch01_20211209_150349_0087_00_000262144_258100564.mp4
If you are interested, please download and check it.