Try the free version of NX-V first and check your cameras or NVRs work with the app.

NX-V PRO adds advanced features to the free version of the app.

1. Supports viewing NVR cameras as individual cameras or in multi-camera view
2. Access to remotely stored videos on FTP servers.
3 Access to onboard recordings and event history
4. Set your camera's GPS location and view a map of all your cameras
5. User management - add/remove and edit camera users
6. System features, view log and reboot camera
7. Sync camera settings, locations and groups between your iPads or NX-V PRO on your Mac

Note: Not all cameras support system admin or onboard storage and available functionality varies by camera.