Dahua Professional Network Video Recorder NVR Mini Size Portable 1080p ipc realtime ... 10~300 secVideo Detection & AlarmTrigger EventsRecording, PTZ, Tour, Alarm, Video Push, Email, FTP, Spot, Buzzer & Screen tipsVideo DetectionMotion ... Detection, MD Zones: 396(22×18), Video Loss & Camera BlankAlarm Input3 channelRelay Output1 channelPlayback & BackupPlayback Channel1 ...