User manual

3)
upnp settings
Upnp is to realize automatic port mapping function. If the camera is
connected to a router, In order to access to the cameras through WAN, it
is required to open a specified port of the router to the camera. (This
feature requires router support, and this feature should be open. Without
this feature, you need to manually set up port mapping in the router). If
the upnp enabled successfully, the below figure will be displayed.