... *1920)/1080p/UXGA. Embedded Linux Operating System. 8 Channel Standalone NVR Embedded Linux OS 8 Channel NVR. Support 8CH D1 or 4CH 720p or ... Storage Cycle;6,Support redundant video;7,Support eSATA (Selectable);8,Support NTP, SADP, SMTP, NFS, iSCSI protocol.14,Support NTP ... )Weight≤2.5Kg (without hard disk)≤9Kg (without hard disk) 8 Channel Standalone NVR Embedded Linux OS