• The system adopts graphical user operation interface, and support USB mouse, panel and remote operation.
• True full-duplex function, video, playback can work at the same time.
• 4 channel video,1 channel audio real time input,1 channel netvoice.
• Under the CIF video resolution, PAL(352x288) total recording resourse is 100 frames and each channel can realize independent hardware compression at the speed of 25 frames(adjustable) each second. NTSC(352x240) total recording resourse is 120 frames and each channel can realize independent hardware compression at the speed of 30 frames(adjustable) each second. It adopts H.264 video compression, supports constant bit rate, variable bit rate compression and variable frame rate compression.
• Audio compression adopt ADPCM.
• Max support 1×1500GB SATA HDD.
• Timing recording,manual recording,motion detection recording,alarm recording,any ways for choice.
• 4 channel CIF real time recording and network transmission at the same time,1 channel to 4 channel CIF playback and 4 channel CIF/QCIF sub-bitstreams.
• Playback according to the channel number,recording type and recording time to search,support playback fast, slow, single frame, forward, backward fuctions etc.
• Support USB2.0 high-speed port,USB1.1 port,provide the video files backup,support USB flash disk and USB hard disk.
• Support preview of single channel and 4 channels display, support single channel switch automatically.
• Support multi-protocol RS485 PTZ control,support PTZ preset points, cruising and tracking functions.
• Can setup multiple users type for permissions. Except an administrator, through "user management authority" can setup multiple users type, it increase the flexibility of the users permissions safety management.
• Support standard RTSP 3G mobile phone monitoring.
• Support email alarming.
• RJ45 network,support remote network monitoring, remote video playback, remote video back-up, remote PTZ control.
• Support single speech intercom or two-way voice broadcast through remote PC and network DVR.
• English/Chinese/Russian/German/ Spanish system menu.

Specification