9. Support backup of HDD,U disk, USB System Operating System Embedded LINUX VideoAudio IP Camera Input 16channel Bandwidth of Network Video 32Mbps Resolution 8*1080P/25fps; 8*960P/25fps Display Interface 1.HDMI, 1 VGA, User interface support 16-bit true color graphical menu interface and mouse operation Resolution 1024*768;1280*720; 1280*1024;1440*900;1920*1080 Display Split 1/4/8 OSD Channel title, Time, Video loss, Camera lock, Motion detection, Recording Recording Video Compression H.264 Audio Compression G.711a Record Mode Manual, Auto(Regular(Continuous), MD, Alarm), Off Record Interval 1~120min (default: 60 min), Pre-record: 1~30sec Alarm Trigger Events Recording,Alarm,Video Push,Email, Buzzer Video Detection Motion Detect, Video Blind, Video Loss Abnormal HDD loss, Low HDD capacity, Net disconnection, IP conflict, HDD error Playback Backup Sync Playback 4*960P/25fps; 2*1080P/25fps Search Mode Time/Date, Alarm, MD Exact search (accurate to second) Playback Functions Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom Backup Mode USB Device / Network Network Ethernet RJ-45 port (10/100M) Network Functions HTTP, TCP/IP, UPNP, DHCP, DNS, PPPOE, DDNS, FTP, RTSP, SMTP, 3G, Wifi Mobile Phone CamViews (IPhone, IPad, Android) Max.User Access 10 users Storage Internal HDD 1 SATA ports, up to 4TB Auxiliary Interface USB Interface 2 ports, USB2.0 RS485 1 port, For PTZ control General Power Supply DC12V/2A Power Consumption 10W(without HDD) Working Environment -10 ~+55°C / 10~90%RH / 86~106kpa Dimension(W*D*H) 1U,255*244*42 (mm) Weight 1.0-1.5kg(without HDD)