Standard H.264 compression DVR ,efficient processing capabilities,high definition image quality. 
Support 4ch Full D1 realtime recording resolution,ahead to D1 High-Definition period. 
Dual-stream design,network remote view effects and local recording effects parameters cGraphics & Windows OSD interface,intuitive user-friendly navigation menu. 
an be set separately,independently of each other. 
4CH Video input,1CH Video output;1ch audio-in,1ch audio-out . 
Multiplex function: Live display, record, playback,and network live,playback,backup simultaneously,independently of each other. 
Support Multiple channel playback simultaneously,to facilitate comparison the different channels of recording(Support 4CH playback simultaneously,and each channel can be enlarge to full screen).     
Super Network function:one IE browser centralized monitoring and CMS Software for multiple DVR (up to control 255 DVR simultaneously).                                                                                            
Support full control through USB Mouse,finishing all the setup and operation.        
Support remote view by Mobilephone(support Symbian S60;Windows CE;Iphone;Blackbery and Andriod system.)                                                                            
Support VGA output. 
System auto recovery to power after power reconnected,and return to the pre-power-down state