– 24 channel recording (16 channel BNC + 8 channel 8MP IP)
– Up to 4K(8MP) recording
– 4K@7fps, 4MP@15fps, 1080P@25fps
– Supports CVI POC (Power over Co-ax, up to 200m)
– Supports alarm over co-ax cable(compatible cameras required)
– Supports audio over co-ax cable(compatible cameras required)
– Supports “IP Audio over CAT5e” on extra IP channels
– Auto detect POC cameras and non POC cameras
– PTZ control over co-ax cable
– ONVIF 2.4
– P2P (no port forwarding required)
– Smart phone/Windows/Apple Mac viewing
– Audio : 1 in & 1 out
– 4K HDMI (3840×2160) & VGA

  • Description
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Model Number DHDVR24-B4
Main Processor Embedded processor
Operating System Embedded LINUX
Video and Audio
Input 24 channel (16 x BNC + 8 x IP)
5 IN 1 16 channel CVI/TVI/AHD/CVBS
IP 8 channel (up to 8 Megapixel IP)
Analog Camera Input 16 Channel, BNC
HDCVI Camera 4K, 4MP, 1080P@25fps, 720P@50fps, 720P@25fps
AHD Camera 2MP@25fps, 720P@25fps
TVI Camera 2MP@25fps, 720P@25fps
IP Camera Input 8 Channel (up to 8MP)
Audio In/Out 1/1, RCA
Two-way Talk Reuse audio in/out, RCA
Interface 1 HDMI, 1 VGA
HDMI Resolution 3840×2160, 2560×1440, 1920×1080, 1280×1024, 1280×720, 1024×768
VGA Resolution 1920×1080, 1280×1024, 1280×720, 1024×768
Display Split 1/4/8/9/16/25
OSD Camera title, Time, Video loss, Camera lock,
Motion detection, Recording
Video/Audio Compression H.264+/H.264
Resolution 4K, 4MP, 3MP, 1080P, 720P, 960H, D1, CIF, QCIF
Record Rate – Main Stream 4K(7fps),5MP(12fps),4MP/3MP(15fps),1080P/720P/960H/D1/CIF/QCIF (25fps)
Record Rate – Extra Stream 960H(1~15fps), D1/CIF/QCIF(1~25fps)
Bit Rate 1~6144Kb/s Per Channel
Record Mode Manual, Schedule (Regular, Continuous), MD (Video detection:
Motion Detection, Video Loss, Tampering), Alarm, Stop
Record Interval 1~60 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec
Video Detection
Trigger Events Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips
Video Detection Motion Detection, MD Zones: 396(22×18), Video Loss, Tampering and Diagnosis
Playback & Backup
Sync Playback 1/4/9/16
Search Mode Time/Date, MD & Exact search (accurate to second)
Playback Functions Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file,
Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom
Backup Mode USB Device/Network
Interface 1 RJ-45 port (1000M)
Network Functions HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter,
PPPoE,DDNS, FTP, Alarm Server, P2P,IP Search
Max. User Access 128 users
Smart Phone iPhone, iPad, Android Phone
Interoperability ONVIF 2.4
Internal HDD 2 SATA port
Auxiliary Interface
USB Interface 2 ports(1 Rear), 1 USB 3.0 & 1 USB 2.0
RS485 1 port, For PTZ Control
Power Supply DC12V/5A
Power Consumption <15W (without HDD)
Working Environment -10°C ~+55°C / 0%~90%RH
Dimensions 375mm(W)×285mm(D)×55mm(H)
Weight 2.35 KG(without HDD)


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