16-Channel 4-Bay Tower Standalone NVR with 16-port PoE connectors, Recording Throughput 300 Mbps, HDMI Port, Remote Access, Video Export via USB, 16-Channel Synchronized Playback, 16-channel free license included, Supports External Storage (iSCSI), Plug & Play with Built-in DHCP Server, 4-Bay (Storage Disks not included), Audio, DI/DO, AC 100-240V