... : 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec.Video Detection & AlarmTrigger EventsRecording, PTZ movement, Tour, ... / USB HDD / USB CD/DVD-RW / Network downloadNetworkEthernetRJ-45 port (10/100/1000M)Network FunctionsHTTP, TCP/IP, UPNP, RTSP, UDP, SMTP ... , System setting, File download, Log informationHard DiskHard Disk2 SATA port, Max 4TB HDD supportedSpace OccupationAudio: 28.8MB/H, Video ...