Can I setup an intern IP -port adress and connect the camera from a browser then I'm not at home ? Can I in a IP camera app ( android) setup the camera and see and remote it from the app ?

Hello, so the backstory is that I bought 3 Besder cameras, and I configured all of them in my office to check it out and it was all fine, from those 3 cameras I took 2 of them and wanted to install them in the warehouse. The warehouse uses different router, but it's 2,4g wifi. The problem is...