... CMS; Support POE Dahua 16 channels ip cam recorder for surveillance systerm Up to 4/8/16 channel ... /9/16OSDCamera title, Time, Video loss, Camera lock, Motion detection, RecordingRecordingCompressionH.264 / MPEG4Record Resolution1080P(1920×1080) / ... (1 Rear), USB2.0RS2321 port, For PC communication & KeyboardRS4851 port, For PTZ controlGeneralPower SupplyDC12VPower Consumption20W(without HDD)Working ...