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Features:
Use the standard H.264 compression format.
Support mobile phone surveillance.
Support languages: English, German, French, Spanish, Italian, Russian, Portuguese  etc.
Video and audio real time recording and playback at the same time.
Support HDMI, VGA output, the resolution is high to 1920 * 1080.
Searching modes: time / data searching, event searching, recording group searching.
Backup modes: network backup, USB 2.0 backup.
Support USB mouse and infrared remote controller operation.
Multiplex operation: live, record, playback, network can be operated at the same time.
Support P2P,  for easy remote view by Android, Blackberry, iPhone, Windows Phone.
Free IMS management software, can support up to 1000 channel.

Specifications:
Main chip Hi3515A (4CH)
Operating system Embedded Linux
Video standard PAL / NTSC optional
Video and audio input CVBS output 4 CH
BNC interface (1.0Vp-p, 75ohms)
Audio input 2 RCA interface
Voice talkback 1 voice talkback input
Mode selection DVR
IPC input (Mixed model) 4CH D1
Video and audio output CVBS output 1 BNC interface (1.0Vp-p, 75ohms)
VGA output resolution 1 interface 1366 * 768 @ 60Hz,1280 * 1024@ 60Hz,1280 * 720 @ 60Hz,1024 * 768 @ 60Hz,1920 * 1080@ 60Hz  optional
HDMI output resolution 1.3A standard
1 interface 1366 * 768 @ 60Hz,1280 * 1024@ 60Hz,1280 * 720 @ 60Hz,1024 * 768 @ 60Hz,1920 * 1080@ 60Hz  optional
Audio output 1 RCA interface
Video and audio encode Real-time monitor resolution D1
Video coding standard H.264 / MPEG 4 AVC
Coding resolution Main stream encode: D1, CIF / 960H; D1, CIF optional (960H)
Auxiliary stream Encode: CIF, QCIF optional
Top encode capacity 4CH D1
Video frame 1∥25 frame / PAL, 1∥30 frame / NTSC
Encode rate control Stable encode rate or optional
Video bit rate 48Kbps~2048Kbps / 48Kbps~3072Kbps (960H)
Bit stream Composite stream / Video stream
Audio encode G.711A
Audio bit rate 64Kbps
Dual stream Support, max CIF@ 6P
Play back Support 4ch play back
Voice talkback Support
Others P to P Support
Mobile phone view Support 3G mobile phone
Dynamic monitoring Each frame support 396 (22 * 18) detection of regional
Occluded area Each channel support 4 occluded areas
Hard Disk Drive HDD interface 1SATA Max 4TB (2.5")
Secuirity protection Six digital password
Other Interface Net work interface 10M /100M Ethernet
USB interface USB 2.0 interface
Structure Dimension 21.0 * 12.5 * 5.0cm / 8.3 * 4.9 * 2.0in
Net weight 365g / 12.8oz
Electrical performance Power supply DC 12V  2A
Working temperature 0→ ~ +50→
Storage temperature -20→ ~ +70→
Working humidity 10% ~ 90%
Power dissipation 10W (without HDD)
Package size 35.0 * 22.8 * 9.5cm / 13.8 * 9.0 * 3.7in
Package weight 545g / 19.2oz

Package list:
1 * 4CH DVR without HDD
1 * Mouse
1 * Adapter
1 * Infrared Remote Controller
1 * Quick Operation Guide
1 * User Manual CD (English & Chinese)