Cisco SG11224NA Compact 24 Port Gigabit Switch- Refurbished, Part# SG112-24-NA Speco O4VT1M The DVR also uses a

The DVR also uses a 2-way audio communication

Real time recording up to 8MP resolution (4K) at 30fps

Free Pivot CMS Software 128 Devices/DVRs

PTZ control via coaxial cable

DVM-80 is an Add-On Resistor Stick for DVM-80 Series (Pair Required) to increase voltage rating to 80kV

Cisco SG11224NA Compact 24 Port Gigabit Switch- Refurbished, Part# SG112-24-NA Speco O4VT1M The DVR also uses aThe fast Cisco SG112 24 NA Compact 24 Port Gigabit Switch is high performance at a low price that takes almost no time to set up. It easily builds a highly reliable network to connect your computers, printers, copiers, and other office equipment. Highlights: Affordable 10 100 1000 Mbps speeds for even the most bandwidth hungry applications 5 to 24 port models that are desktop or rack mountable Power over Ethernet models to provide power to IP phones,