With 4-bay SATA 3.5” HDD interface, the network video recorder (NVR) can record videos from up to 32 cameras, and the storage can be expanded to 40TB in total. A variety of monitoring methods, including a web browser, monitoring software and mobile App, are available to manage your cameras and NVR easily, ideal for small and medium enterprises, education institutions, hotels and other applications. It features an open architecture that supports for multi-user access and is compatible with ONVIF S protocol, enabling interoperability with IP cameras.