... HDMI/VGA/TV 1)4 ch D1 4HDD H.264 CCTV DVR2)Built-in 5.6 inch screen3)4 SATA HDDs ... ~30 sec, Post-record: 10~300 secVideo Detection & AlarmTrigger EventsRecording, PTZ, Tour, Alarm, Email, FTP, Buzzer & Screen tipsVideo DetectionMotion Detection, ... Rear), USB2.0RS2321 port, For PC communication & KeyboardRS4851 port, For PTZ controlGeneralPower SupplyAC 100~240 V, 50/60 HzPower Consumption18W-22WWorking ...