... , enhances 2.2 times of image quality and reduces 40% HDD occupation space Dual Encoding Streams Support, D1 / 2CIF / CIF ... BACKYESCONTROLMOUSE2*USB2.0IR CONTROLLERYESSTORAGEBUILD IN INTERFACESATA 2.6 *4(4*HDD 2TB )DISPLAYDIVISION1, 4, 8, 9ZOOMPreview and Playback Zoom SupportRECORDINGCOMPRESSIONH ... PLAYBACK1 to 8(Max 8CH)SPEEDNormal,Slow&FF(1/4,1/3,1/2,1,2*,3*,4*)SEARCH METHODTime, Event, Channels ...