Ok yes so camera is doable as well (can be done). The only pain in ass is to connect uart cable to camera since you have to disassemble it. Any way cameras come to be IPC-HFW4831E-SE. Finally official product firmware from 08.07.2019 versus unsupported firmware from 2017 with IVS.
So the main concern is motion detection and we all know it sucks, unless you are using
RING by Amazon where there is a joke is that people overseas watching your cameras 24/7 and triggering this detection. It's why I would like to update my LeChange cameras to official Dahua firmware, sine IVS...
Well it's a paid service I sent him $60 over wester union, but I got lucky because I called official Dahua distributor / service center in easter European country but he gave me his cell phone #. Try to call Dahua in us, they will simply tell you to F.ck off, any way this guy has direct access...
Ok, so. Yes LeChange is official product by Dahua, somehow the kit you all talking about did disappeared from LeChange or Imou website or maybe it was newer there. Anyway if your sticker says nk168p083-nvr wich is (Lechange 16-Channel 4K UHD NVR with 3TB HDD and 8 4K Outdoor Night Vision Bullet...