... input 1 SATA recording Professional H.264 Network Video Server Dahua NVS with 1SATA, 3G WIFI ... WatermarkSupportVideo Detection & AlarmTrigger EventsRecording, PTZ, Tour, Alarm, Video Push, Email, FTP, Buzzer & Screen tipsVideo DetectionMotion Detection ... , MD Zones: 396(22×18), Video Loss & Camera BlankAlarm Input4 channelRelay Output1 channelPlayback & BackupSearch ...