Foto, 810, 830, compare

https://ru.viewcamera.com/cameras/compare/nikon-coolpix-l830-vs-nikon-coolpix-l810?__cf_chl_tk=zkRARn0FL3sqVnfX3FuUL04VSNUyAgqqEqu8pEu65Yw-1716118116-0.0.1.1-1471

830 Cable UC-E6 Nikon 8pin

https://market.yandex.ru/product--usb-kabel-uc-e6-dlia-fotoapparatov-nikon-8pin/47094427?offerId=E8hHGm2jvVo1lBHSVZthFg&uniqueId=57713100&track=cart&sku=102647801570&do-waremd5=E8hHGm2jvVo1lBHSVZthFg

https://www.youtube.com/watch?v=QCLTDfos2To&t=1s

https://www.youtube.com/watch?v=Od60M_pTus0

https://www.youtube.com/watch?v=qaG-D1jo5E0

https://www.youtube.com/watch?v=5E9QzfwlAxs

https://www.youtube.com/watch?v=xcMmXPUDsiU&t=5s

840

https://www.youtube.com/watch?v=hc9BqaFtDio

https://www.youtube.com/watch?v=DkCZGxkOY_4

23:35 - wifi