1. 4ch H.264 Network CCTV DVR 2. OSD Interface 3. 4CH video-in, ... 1CH video-out 4.PTZ Control, SATA HDD H.264 Network DVR, 4CH DVR, CCTV DVR Features:1. 4CH Full ... /Output1CH INPUT, ICH OUTPUTMultiplex OperationLive display/record/playback/backup/network transmitRecording ModeAuto/Manual/Timer/MotionPlayback ModeMultiple slow and rapid play ... (W) x 45(H) x 234(D) H.264 Network DVR, 4CH DVR, CCTV DVR