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The SRD-440 is newly released 4CH compact DVR which provides both high functionalities for professional security and enhanced user interface. As well as the ability to record real-time images across all four channels at CIF resolution, the SRD-440 also affords the user the opportunity to record in resolutions up to 4-CIF over selected channels. Easy GUI (Graphical User Interface) provides convenient operation for setting, recording, and a set of search & playback functions. 4CH live monitoring through Smartphone is also possible with Samsung iPOLiS application. With 500GB on-board storage as standard and with a built-in USB slot for quick and easy video back-up, the SRD-440 features high level H.264 compression to ensure superb picture quality whilst minimising hard drive space and bandwidth requirements. The SRD-440 is the ideal recording solution for users looking to match economy with professional performance and it is suitable for applications such as monitoring small offices and retail outlets.

Key features

  • 4CH CIF real-time DVR
  • CIF resolution real-time recording capability (4CIF recording available)
  • SATA I/F HDD support (Internal Max. HDD x 1)
  • Smart phone support


 Inputs    4 Composite video 0.5-1 Vpp, 75 ohm
 Resolution  NTSC : 704 x 480 / PAL : 704 x 576
Live  Frame Rate  NTSC : 120fps / PAL : 100fps
 Resolution  NTSC : 704 x 480 / PAL : 704 x 576
 Multi Screen Display  1 / 4 / SEQUENCE / PIP
 Operating System  Embedded  Linux
 Recording        Compression  H.264
 Recording Rate  NTSC : Up to 30fps@704 x 480 / PAL : Up to 25fps@704 x 576
 NTSC : Up to 60fps@704 x 240 / PAL : Up to 50fps@704 x 288
 NTSC : Up to 120fps@352 x 240 / PAL : Up to 100fps@352 x 288
 Mod  Manual, Schedule (Continuous / Event), Event (Pre / Post)
 Overwrite Modes  Continuous
 Pre-alarm  Up to 5sec (1, 2, 3, 4, 5sec)
 Post-alarm  Up to 6 hour (5,10, 20, 30sec,1, 3, 5, 10, 20min, 1, 2, 3, 4, 5, 6hour)
Search & 
 Search Mode  Date/Time, Event, Back up, Motion
 Playback Function  Fast forward / backward (2x, 4x, 8x, 16x, 32x, 64x) *Backward play with I-frame only
 Slow forward / backward (1/2x, 1/4x, 1/8x) 
 Step forward / backward (2x, 4x, 8x, 16x, 32x, 64x) *Backward play with I-frame only

 Bandwidth Control   Automatic 
 Stream  H.264 (CIF)
 Transmission Speed  CIF 120/100fps
 Max. Remote Users   4 Persons (Search up to 2, Live unicast / live multicast available)
 Monitoring   Webviewer
 Smart Phone  Smart Phone  Android, i-Phone (iPad included)
 Protocol Support  RTP, RTSP, HTTP, CGI
 Transmission Speed  CIF Max. 15fps (Single channel) / CIF Max. 2fps (Quad channel)
 Max. Remote Users  Live 1
 Storage    Internal HDD   Up to 1 SATA HDDs
 USB (Back up)  2 USB ports
 File Format (Back up)  BU (DVR player), EXE (Include player
 Security   Password Protection   1 Admin, 10 Group, 10 User per 1 group
 Data Authentication  Watermark
 Monitors  VGA  1 VGA (1024 x 768) *Main composite selectable
 Main Composite  1 BNC (1 Vp-p, 75 ohm) / Analog spot (1 BNC, 1 Vp-p, 75 ohm) selectable
 Audio    Inputs / Output  1CH line in / 1CH line out
 Sampling Rate  8KHz
 Compression  G.711 ULAW (8KHz, 16Bit)
 Alarm    Inputs/Outputs  Terminal 4 inputs (NO/NC) / Terminal 1 relay outputs (NO/NC), 
 Rating : 24V DC / 1A, 125V AC / 0.5A
 Remote Notification  Notification via e-mail 
 Connections     Ethernet  1 RJ-45 10/100 Base-T
 Serial Interface  RS-485 (Half) for PTZ, System keyboard *Support for POS interface (VSI-Pro)
 Application Support  Mouse, Remote controller
 USB  USB 2.0, 2 ports (Front / Rear
 Protocol Support  Samsung-T/E, Pelco-D/P, Panasonic, Phillips, AD, 
 Dome Protocols  Supported PTZ Cameras  Samsung network products (Network PTZ)
 Electrical  Input Voltage / Current  12V DC adaptor, 4A,100 ~ 250V AC, 50/60Hz, 48watt
 Power Consumption  Max. 10W (with 1x HDD)
 Environmenta   Operating Temperature / Humidity  +0°C ~ +40°C (+32°F ~ +104°F) / 20% ~ 85% RH
 Mechanical    Dimensions (WxHxD)  255.0 x 44.0 x 203.5mm (10.04" x 1.73" x 8.01")
 Weight (4x Hard Disks)  Approx. 1.6Kg (3.53 lb)

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