... 4CH Standalone DVR H.264 Main Frofile 4CH D1 recorder,1CH Audio,4CH Playback VGA/TV,SATA HDD x2, Alarm,Remote control 4CH ... H.264 Standalone DVRFeatures: IC:Hi3515 Recording:Surpport Full time D1, Network transmission, Multi-ch ... monitoring, the picture of picture preview, screen freezes, alone channel audio switches, client graphical playback interface Specification:ModelD7004 ...