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SPRO B4 8MP 16 Channels + 8 Channel IP, POC - 3 Year Warranty

Product ID DHDVR24-B4-V2-0TB
Price : £349.99 (£419.99 Inc. VAT)

The SPRO B4 range of DVRs are POC recorders. This means they are able to power POC compatible cameras through the same BNC cable that carries the video signal. This means a lot less time is spent cabling the unit, a lot less cables being run around a property also means a neater install for your customer.

As with other SPRO recorders, the B4 range aslo supports 4K video over co-ax, audio over co-ax, alarm over co-ax, PTZ control over co-ax and IP audio over CAT5e.

Model Number DHDVR24-B4-V2
Main Processor Embedded processor
Operating System Embedded LINUX
Video & Audio  
Input 24 channel (16 x BNC + 8 x IP)
Standard - BNC 16 channel CVI/ TVI/ AHD/ ANALOGUE
Standard - IP 8 channel (up to 8 Megapxiel 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, each channel up to 8MP
Audio In/Out 1/1 RCA, Audio over co-ax supported on all BNC Channels
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 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
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
Audio Compression AAC (only for the 1st channel), G.711A, G.711U, PCM
Audio Sample Rate 8KHz, 16 bit Per Channel
Audio Bit Rate 64Kbps Per Channel
Video Detection  
Trigger Events Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot,
Buzzer and 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 (100M)
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, up to 6TB capacity for each disk
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 ~+45°C / 10%~90%RH
Dimensions 375mm(W) × 285mm(D) × 55mm(H)
Weight 2.35 KG (without HDD)

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