... 4/8/9/16Privacy Masking4 rectangular zones (each camera)OSDCamera title, Time, Video loss, Camera lock, Motion detection, RecordingRecordingVideo/Audio ... min), Pre-record: 1~30 sec, Post-record: 10~300 secVideo Detection & AlarmTrigger EventsRecording, PTZ, Tour, Alarm, ... channel8 channel16 channelRelay Output6 channelPlayback & BackupSync Playback1/41/4/91/4/9/16Search ModeTime/Date, Alarm, MD & Exact ...