ANNKE 24CH 720P HD-TVI 4-in-1 DVR – DM21O

ANNKE 24CH 720P HD-TVI 4-in-1 DVR – DM21O


Supports AHD, HD-TVI, network and analog cameras

  • Supports AHD, HD-TVI, network and analog cameras
  • Live streaming anywhere anytime with P2P
  • Sophisticated VCA (video content analysis)</li
  • 8 Channel support 1080P video resolution
  • HDMI and VGA outputs support 1080P
  • Hi-tech H.264+ video compression
Category: .

720P AHD DVR brings the definition of the analog security system to a new stage. Under no circumstances will any detail make it past even if it tried.

  • Remote Viewing Anytime Anywhere

    Get a smartphone or tablet, and get remote access of the monitoring video wherever you are. All you have to do is install our free APP. Just enjoy the live viewing of your loved one in seconds.
  • One Step Network Connection

    Instead of complicated settings and route configurations, this DVR allows you to get it connected to the network in seconds. Just scan the QR-Code and get remote viewing with no need to wait.
  • Intelligent Timeline Playback

    We offer beautiful and intuitive interface which allows you to play back all you recordings seamlessly through different days, hours or minutes with ease.
  • DVR/NVR/HVR All-in-One

    This is a DVR/NVR/HVR all in one video recorder, it is compatible with analog, HD analog and network security cameras, which provides you flexible choice and meets different surveillance needs.
  • Flexible Output Choice

    We offer flexible output choices to display the surveillance video. Both VGA and HDMI outputs support 1080P definition. No matter which one you chose, you can get vivid and stunning videos.
  • Smart Motion Detection Alert

    Once motion is detected in your house, instant alerting email will be sent to your phone to get you informed, so protective measures can be taken before it is too late. Never miss any details.
  • Advanced H.264 Video Compression

    H.264 video compression makes the most of the system’s bandwidth resulting in smoother and faster video transmission with less storage space occupancy.
  • Incredible Dual-Stream Design

    To separate local recording from remote viewing, we employ the remarkable dual-stream design, which guaranteed you to get smooth real-time video free from interference.



Video compression/td> H.264
Analog video input 8-ch; BNC interface(1.0Vp-p,75Ω),supporting coaxitron connecting
Supported HD TVI input 1080P/25Hz,1080P/30Hz,720P/25Hz,720/30Hz,720P/50Hz,720P/60Hz
Supported AHD input 720P/25Hz,720P/30Hz
IP video input 2-ch; Up to 1080P resolution
Audio compression G.711U
Audio input/Two-way audio input 1-ch,RCA(2.0Vp-p,1KΩ)
CVBS Output 1-ch,BNC(1.0Vp-p,75Ω),resolution:PAL:704*576,NTSC:704*480
HDMI/VGA Output 1920*1080/60Hz,1280*1024/60Hz,1280*720/60Hz,1024*768/60Hz
Encoding resolution When 1080P Lite mode not enabled:1080P(non-real-time)720P/VGA/WD1/4CIF/CIF;
When 1080P Lite mode enabled:1080P lite/720P lite/720P/VGA/WD1/4CIF/CIF
Video Frame Rate 1080p@25fps/1080p@30fps
Frame rate Main stream:1/16fps to Real time frame rate; Sub-stream:WD1/4CIF@12fps;CIF/QVGA/QCIF@ real time frame rate
Video bitrate >32Kbps to 6Mbps
Audio output 1-ch,RCA(Linear,1KΩ)
Audio bitrate 64Kbps
Dual-stream Support
Stream type Video,Video&Audio
Synchronous playback 8-ch
Remote connections 128
SATA 1 SATA interface
Capacity Up to 6TB capacity for each disk
Network interface 1;10M/100Mbps self-apdaptive Ethernet interface
Serial interface 1;standard RS-485 serial interface,half-duplex
USB port 2*USB2.0
Power supply 12V DC
Consumption ≤20W
Working temperature -10℃-+55℃
Working Humidity 10%-90%
Classis Standalone 1U chassis
Dimensions(W*D*H) 315*242*45mm(12.4*9.5*1.8inch)
Weight(without hard disks) ≤2Kg(4.4lb)


User manual download

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