Video input Max support 8channels
Single System PAL、NTSC
Resolutions PAL：704×576（D1），352x288（CIF），176x144（QCIF）
NTSC：704×480（D1）、352 x240（CIF），176 x120（QCIF）
Frames PAL: each channel 1~25fps; NTSC: each channel 1~25fps
Compression H.264
Video Stream 100kbps~1000kbps
Video output 1 channel TV out output ，1channel VGA output
Searches By cameras(channels), date, time
Video Preview（video display）Support preview all channels at same time.；support switching display in 1,4,6,9, screen slip
Image quality adjustment By Brightness, contrast and saturation；
Screen info. The title of camera, date and time, secrecy shield area
Replay Type Support multi-mode replay：pause，normal speed, fast forward and fast backward in duple and quadruple
Audio input 8channels
Sampling rate 8KHz
Compressing standard G.729
Output stream 8kbps
Audio Output Line Out
Live audio monitor Can free to choose any audio channels to live monitor
Operation system Embedded operation system
RS-485 1 RS-485 port，for control the Pan/tile and lens
Net port One 10/100M Ethernet port， for network surveillance, maintenance, and control
Alert input/output 8swithes for input and 2switches for output，support local alert, and network linkage alert.
Key-press Front panel system ，humanness professional design, Friendly operation.
System stability Software and hardware with Watch-dog function protect the system hanging up. The system will auto-restart when it shut off.
Size 19inch、2U professional standard casing
Fixing method Fix with bracket or put on desk
Power AC220V＋－10％
Environment Temperature －10～50℃
Interface Control panel , and remote client site interface
Flowing frame rate PAL 1~25FPS/ channel adjustable and NTSC 1~30fps/ channel adjustable
Flowing code rate support
Each channel parameter can be set up separately support
Recording type Recorded by Manual , motion detect, timing , alert,（the frame can be adjusted from 1fps to 25fps when record）
The length of recording 60MB－200MB/hour/channel（based on 352x288 ,25fps， it is depended on the frame rate and the degree of the color）
Time of recording （default is 15miniutes）
circular record The recording in Hard disk can be overwritten；
Adjustment of image quality can adjust the recording files quantity（brightness, contrast, hue, saturation），each channel can be set up separately .
Pre-record for alert support
Motion detection There are 99 detection area for each channels and its detection area & detection sensitivity both can be selectable.
frame lost to trigger alert
support
Shield Video function Shield Video function ,can setup one shield for each channel
OSD Real-time display and record, support OSD and character folding function; Tim, Date, Title of port can be displayed，the content of title can freely setup by byte(max is 32bits)；
Image quantity Multi-level quality ：best ，good，common，bad，compressing hard disk occupy space: 200M/channels/hour 150M/channels/hour, 120M/channel/hour,90M/channels/hours（the rate lower ,occupy less space）
Network control Setup parameter via client site software or browser；real-time preview video &audio；save the data and remote PTZ control；
Remote upgrade Support remote upgrade to maintain remote.
Remote download Support
Remote playback Support
Remote storage Support
Remote control Single channels/ multi-channels monitor, record replay, control pan/tilt and Lens, alert collection.
Web-Server function Have Web Server function ，can visit via browser
Message notice The message about alert input, motion detection alert, Frame lost cause to alert, user log in, and system start-up/shut-up can be sent the mobile phone through setting to get wireless surveillance.
Centralized control Can get centralized surveillance and management for several digital video recorders, including：Net centralized browse, net centralized collocation, adjustment of net video parameter, alert information net centralized management, remote download and playback.
Hard disk capability Can hold 10pcs IDE HD，Per HD supports over 200GHD；support USB disk array extension
Management of HD Adopt non-work idle to manage the HD to reduce power consumption and disperse heat，extend the life of HD
Circular record The recording in the hard disk can be overwritten
System control System parameter setting, password setting, time setting, auto-lock setting, Pan/Tilt control, fast searches； Cam control including: pan, tilt, vari-focal, focusing, Iris
Authorization management : Support multi-users management, can add, modify, and delete the users according to your needs.
Pan/tilt, Lens control Via RS485. local and remote control pan/tilt& lens, support multi-classification users remote control
Multi- working Surveillance, record, playback/real-time playback, alert, backup, remote control and so on.
Work-log management Detailed work-log information: system record, operation, alert, net information, really can get “evidence” to check.
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