• NVR (2way audio) 4 Port. • 4 Channel IP Video Input. • HDMI, VGA Video Output. • Support HDD up to 4 TB. • Standalone 1U case, Support H.264+ • 40Mbps Bit Rate Input, 2 USB, • Up to 6 MP resolution recording. • Ethernet 10/100/1000 Mb/S.