... 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec.Video Detection & AlarmTrigger EventsRecording, PTZ movement, ... Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom(any size)Backup ModeFlash drive / USB HDD / ... faulty alarmAuxiliary InterfaceUSB Interface2 ports, 1 for mouse control, 1 for backupRS485PTZ controlEnvironmentalPower SupplyDC 12V / 3APower Consumption8W ...