Model  EN-1704D1;  
System
 Main Processor
 High performance embedded microcontroller
 Operating System  Embedded LINUX
 System Resources  multi-channel real-time recording and playback, multi-channel net operation for several persons, USB backup
 Operation Interface  16-bit true color graphical menu interface and mouse support
 Menu display  1/4 screen;
Video  Video Standards  PAL(625 line,50 f/s);NTSC(525 line,60 f/s)
 Surveillance quality  PAL,D1(704×576);NTSC,D1(704×480)
 Playback quality  PAL,CIF(352×288);NTSC,CIF(352×240)(realtime)
 Code ability  200/240fps(CIF)  100/120fps(CIF)
 Motion Detection  Zones:396(22*18)detection zones, many levels of Sensitivity setting
Audio  Audio Compression  G711A
 Bidirectional Talk  Support
Record &
Playback  Recording Mode  Manual>Alarm>Dynamic Detection>Timing
 Playback  One channel or 4-channel playback (16 channel max synchronized playback)
 Search Mode  Time/Date,Alarm,Motion Detection & exact search(accurate to second)
Storage &
Backup  Space Occupation  Audio:28.8MB/H   Video:25~450MB/H
 Video storage  Hard disk, SD card(optional), and net
 Backup Mode  Network burn, mobile Hard disk and USB burn
Language  9 kinds  Russian,Egnish,Italian,Portuguese,Spanish,French,German,Greece,Thai(Thailand) Option
Interface  Video Input  4 channel, BNC, 1.0Vp-p,75¦¸
 Video Output  1 channel, BNC, 1.0Vp-p,75¦¸ and 1 VGA output
 Audio Input  1 channel ,RCA 200-2800mV,30K¦¸
 Audio Output  1 channel ,RCA, 200-3000mV,5K¦¸
 Alarm Input  1 channel
 Alarm output  1 channel
 Net Interface  RJ-45 (10M/100M)
 PTZ Control  1 RS485
 USB Interface  2 ports
 SD Interface  Support(optional)
 Loop output  Not support
 Hard Disk  1 SATA ports (max 2048G)
Environmental  Power Supply  12V/4.15A
 Power Consumption  <10W(without hard disk)
 Working Temperature  
 Working Humidity  10%-90%
 Atmosphere Pressure  86kpa-106kpa
 Dimension  315mm x 240mm x 45mm(W*D*H)
 Weight  3.0 kg