Speco 4 Channel Wall Mount NRL- 12TB, Part# N4WNRL12TB 521A This can also be used

This can also be used as an auxiliary devices located at or near the door computer racks

Find and install IP cameras on the local network without needing to locate the cameras manually

Gauges wire sizes

D-Link Managed 24-Port GE L2+ PoE Unified Wireless Switch

The D-Link DGS-3200-10 Managed Gigabit Switch provides 10 10/100/1000Base-T Gigabit Ports with 2 Combo SFP Ports

Speco 4 Channel Wall Mount NRL- 12TB, Part# N4WNRL12TB 521A This can also be usedThe quality Speco N4WNRL12TB 4 Channel Wall Mount NRL with 12TB HDD. It has Smart Search to specify a region on the camera view and search for changes in that area. Features: Real time recording up to 8MP resolution (4K) at 30fps H. 265 compression Store up to 2x more than H. 264 Built in PoE ports for all channels for easy installation 4K HDMI out and VGA monitor output Object and line crossing detection and alerts 2 way audio communication Free US