... NVR Dual core 3. Onvif, multi brand ipc support 4. 24TB HDD 2U Dahua NVR3816 ModelDH-NVR3804DH-NVR3808DH ... function: live, recording, playback, backup & remote accessControl ModeFront panel, USB mouse, IR remote control, Keyboard, NetworkVideo & AudioIP Camera ... FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS etc)Max Remote Users20 Users simultaneouslyRemote OperationMonitor, PTZ control ...