HDView (Economic Series) 9 Channel ONVIF NVR, H.265/H.264, Real Time Recording for 4K/5MP/4MP/3MP/1080P/960P/720P IP Camera, 1 Channel Audio, P2P (No PoE) Please buy SAME Series of IP camera and NVR, because it's Private Connection. More stable than ONVIF connection. IP Camera Input: 9CH (40962160, 2592x1944, 2048x1536, 19201080, 1280960, 1280720, etc), Incoming Bandwidth: 80MB, Compression Method: H.265/H.264, Network Interface: 1xRJ-45 10/100Mbps Self-adaptive Ethernet Interface (NO POE) Recording Resolution: 4K/5M/4M/3M/1080P/960P/720p, etc (All Real Time) , Preview Resolution: Multi-channels@Main Stream/Sub-stream Playback Resolution: 1CH@4K/4CH@1080P, HDMI/VGA Output: 4K (38402160)/ 19201080/12801024/1280720 Audio Input/Output: 1CH RCA Input/1CH RCA Output, (NO HARD DRIVE INSTALLED) 1 SATA Hard Disk Interface (Up to 6TB) Backup: 2xUSB2.0, Hexaplex Operation Simultaneously: Preview, Recording, Playback, Live, Backup, Static IP, P2P, Support IE and Special CMS