The N16NRE4TB from Speco is a 16 Channel Facial Recognition NVR with Built-in PoE Ports, 4TB. Features Real time recording up to 8MP resolution (4K) at 30fps H.265 compression - Store up to 2x more than H.264! 4K HDMI out and one VGA monitor output N16NRE: 2 SATA ports for up to 28TB of storage max Facial Recognition and Comparison Object and line crossing detection and alerts Smart Search - Specify a region on the camera view and search on changes in that area Free US-based DDNS and P2P services Remote viewing via web browser, Apple TV, Amazon Fire TV, or your mobile device Easy video exporting via USB Remote control included Find and install IP cameras on the local network without needing to locate the cameras manually Supports different recording types: Continuous, Motion, Analytics, and Sensor Create bookmark pins on playback for easy reference Instant playback for individual channels directly from the live view screen Customizable channel view placement Remote monitoring, recording, playback, configuration, upgrades, and PTZ control via the internet Simultaneous HDMI& VGA video output (N8NRE & N16NRE) Supports 2-way audio communication (speaker required) Works with a majority of cameras that are conformant with ONVIF Profile S