if you want long term CCTV setup properly you should be using ethernet connected security cameras and then transmitting it back to a central server with a hdd always recording. It’s much more reliable and way more cost effective, just requires you running an ethernet cable to where the camera is.
They’re not for long term storage, they’re for transient storage like photography, in particular stuff like surveillance cameras
if you want long term CCTV setup properly you should be using ethernet connected security cameras and then transmitting it back to a central server with a hdd always recording. It’s much more reliable and way more cost effective, just requires you running an ethernet cable to where the camera is.