... /s)Output1 TV, BNC(1.0Vp-p, 75), Built-in 10 inch LCDAudioInput4 channel, BNC(200-2800mV, 30KΩ)Channel 1 for bidirectional ... . (default: 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec.Video Detection & AlarmTrigger EventsRecording, PTZ movement, Tour, Alarm ... / USB HDD/ USB CD/DVD-RW / Network downloadNetworkEthernetRJ-45 port (10/100M)Network FunctionsTCP/IP, UDP, DHCP, DNS, IP Filter, PPPOE ...