How to manage multiple NVRs?

Please use our VMS "Sunview" to manage multiple NVRs. 

and here is the download link: 

http://www.sunellsecurity.com/products.php?id=51

brief features:

〉server/Client Based

〉10,000+ Channels Connection

〉Face Recognition

〉1,000,000 Face Library

〉Smart Search

〉Multiple Screens

〉sunell Products Unified Management

〉Data Statistics

〉E-map