Summary

my attempt of putting all eggs in one basket
runcam micro ( swift used )
https://www.banggood.com/RunCam-Micro-Swift-600TVL-2_1mm-2_3mm-IR-Blocked-CCD-FPV-Camera-PAL-NTSC-5_6g-p-1144546.html?p=I20101069621201208G@
runcam dvr
https://www.banggood.com/Runcam-DVR01-Mini-FPV-DVR-Module-Lossless-Video-Output-for-VTX-of-Mini-FPV-Racing-Drone-M2-holes-p-1305350.html?p=I20101069621201208G@
eachine vtx03
https://www.banggood.com/Eachine-VTX03-Super-Mini-5_8G-72CH-025mW50mw200mW-Switchable-FPV-Transmitter-p-1114206.html?p=I20101069621201208G@