1.H.264 main profile compression algorithm ideal for standalone DVR 2.Realtime live display up to 4 cameras,100/120fps recording for D1,D1/HD1/CIF&QCIF adjustable 3.Pentaplex function:live,recording,playback,backup & remote access; 4.Support Dual-streams,to make mobile monitoring very easy,flexible for network transmission 5.Multiple control methods:front panel,IR remote controller,USB mouse 6.Smart video detection:motion detection,video blind,video loss 7.Smart camera settings:privacy masking,camera lock,color setting,and tittle display 8.Pan Tilt Zoom and Speed Dome Control:more than 60 protocols supported ,preset,scan,auto pan,auto tour,pattern,auxiliary function supported 9.Easy backup methods: USB devices,remote network and client software backup 10.Alarm triggering screen tips,buzzer,PTZ preset,e-mail &FTP upload 11.Smart HDDs Management:non-working HDD hibernationg,HDD faulty alarm,Raid function Product Size: 255mm*220mm*40mm Packing Size: 335mm*275mm*95mm Gross Weight: 1.8kg/pcs Carton Size(5pcs): 500mm*380mm*300mm Carton Weight (5pcs): 10kg