... D1 H.264 DVR, 8CH Audio In/1CH Out,16CH Alarm In/4CH Out digital video recorders,dvr Support 4 X SATA2.6 ... Space 4.5Gb, Flash 16MB with Excellent GUI DisplayH.264 Main Profile Video Compression, enhances 2.2 times of image quality ... IN INTERFACESATA 2.6 *4(4*HDD 2TB )DISPLAYDIVISION1, 4, 8, 9ZOOMPreview and Playback Zoom SupportRECORDINGCOMPRESSIONH.264 Main ProfileRECORDING MODEManual/Schedule ...