
DS-2CD4D26FWD-IZ(S) 
2.0 MP Ultra Low Light Smart Dome Camera 
The Darkfighter series ultra-low light smart cameras are able to 
capture high quality colored images in dim light environment. 
DS-2CD4D26FWD-IZ(S) offers full HD resolution, 120dB WDR, 
Auto-iris, PoE, Defog, EIS, 3D DNR, 6 behavior analyses, 1 
exception detection, and face detection to meet a wide variety 
of applications. 
  1/1.8” Progressive Scan CMOS  
  Auto-iris  
  1920 × 1080 @ 30fps  
  Ultra-low light  
  H.265, H.265+  
  120dB WDR  
  IP66  
  6 behavior analyses, 1 exception 
detection, and face detection 

Function Description  
Smart 
  6 behavior analyses, 1 exception detection, and face detection  
  Smart recording: Support edge recording and dual-VCA  
  Smart encoding: Support low bit rate, low latency, ROI enhance encoding 
Image 
  1920 × 1080 @30fps  
  Support rotate mode, suitable for environment as corridor  
  Support target cropping, details can be seen with low bandwidth  
  Streaming smoothness setting for different requirements of image quality and fluency  
  Support H.265+/H.265/H.264+/H.264/MJPEG video compression, multi-level video quality configuration; support 
Baseline Profile/Main Profile/High Profile H.264 encoding complexity, and Main Profile H.265 encoding complexity 
  Multiple OSD color: Black & white self-adaptive; Custom  
  120dB WDR is supportable for backlight environment  
  Support defog, BLC, EIS 
System 
  Support ONVIF (profile S/profile G), CGI, PSIA, ISAPI protocol  
  Support three streams, and Support 20 channels live view at the same time  
  Lightening protection, surge protection, voltage transient protection, anti-static protection 
Interface 
  Support standard 128G Micro SD/SDHC/SDXC card storage  
  Support 10M/100M Ethernet port  
  Support Audio I/O, dual-track, RS-485 (-S)  
  Support Alarm I/O (-S)  
  Support CVBS analog output (4CIF resolution) 
Security 
  Support three-level user authentication management, user and password authorization, and IP address filtering  
  Support security certificate as HTTPS  
  Lock user IP after certain times failed login attempts 

1/1.8″ Progressive Scan CMOS 
Color: 0.002 Lux @ (F1.2, AGC ON), 0.0027 Lux @ (F1.4, AGC ON), 0 Lux with IR 
B/W: 0.0002 Lux @ (F1.2, AGC ON), 0.00027 Lux @ (F1.4, AGC ON), 0 Lux with IR" 
2.8 – 12 mm F1.4, horizontal angle of view 90.1° - 31° 
Pan: 0° to 355°, tilt: 0° to 70°, rotate: 0° to 355° 
Main stream: H.265/H.264 
Sub stream: H.265/H.264/MJPEG 
Third stream: H.265/H.264/MJPEG 
Baseline Profile/Main Profile/High Profile 
G.711/G.722.1/G.726/MP2L2/PCM 
64Kbps(G.711)/16Kbps(G.722.1)/16Kbps(G.726)/32-192Kbps(MP2L2) 
50Hz: 25fps (1920 × 1080, 1280 × 960, 1280 × 720) 
60Hz: 30fps (1920 × 1080, 1280 × 960, 1280 × 720) 
50Hz: 25fps (704 × 576, 640 × 480, 352 × 288, 320 × 240) 
60Hz: 30fps (704 × 480, 640 × 480, 352 × 240, 320 × 240) 
50Hz: 25fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 576, 640 × 480, 352 × 288, 320 × 240) 
60Hz: 30fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 480, 640 × 480, 352 × 240, 320 × 240) 
Rotate mode, saturation, brightness, contrast, sharpness adjustable by client software or web 
browser 
Support 4 fixed region for each stream, and dynamic face tracking 
Auto/Schedule/Triggered by Alarm In (-S) 
LOGO picture can be overlaid on video with 128 × 128 24bit bmp format 
Support Micro SD/SDHC/SDXC card (128G), local storage and NAS (NFS,SMB/CIFS), ANR 
Motion detection, video tampering alarm, network disconnected, IP address conflict, illegal login, 
HDD full, HDD error 
TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, PPPoE, NTP, UPnP, SMTP, SNMP, 
IGMP, 802.1X, QoS, IPv6, UDP, Bonjour 

One-key reset, anti-flicker, three streams, heartbeat, password protection, privacy mask, 
watermark, IP address filter 
ONVIF (PROFILE S, PROFILE G), PSIA, CGI, ISAPI 
With –S model: 1 input (line in), 1 output, dual-track 
1 RJ45 10M/100M Ethernet port, with –S model: 1 RS-485 interface 
With –S model: 2 inputs, 2 outputs (up to DC24V 1A or AC110V 500mA ) 
1Vp-p composite output (75 Ω/BNC) 
Built-in Micro SD/SDHC/SDXC slot, up to 128 GB 
Environment Noise Filtering 
Line crossing detection, intrusion detection, region entrance detection, region exiting detection, 
unattended baggage detection, object removal detection 
Cross a pre-defined virtual line, up to 4 pre-defined virtual lines supported 
Enter and loiter in a pre-defined virtual region, up to 4 pre-defined virtual regions supported 
Region Entrance Detection 
Enter a pre-defined virtual region from the outside place 
Exit from a pre-defined virtual region 
Objects removed from the pre-defined region, such as the exhibits on display. 
Unattended Baggage Detection 
Objects left over in the pre-defined region such as the baggage, purse, dangerous materials 
Human face appears in the image can be detected and trigger linkage method 
-30 °C – 60 °C (-22 °F – 140 °F), Humidity 95% or less (non-condensing) 
12 V DC ± 20%, PoE (802.3af, class 3) 
Terminal block for DC input 
Power Consumption and  
Current 
12 V DC ± 20%: max. 9W/0.75A 
PoE (802.3af): max. 10W/0.21A 
Φ145.96 × 133.5 mm (Φ5.75″ × 5.26″) 
Available Models: 
DS-2CD4D26FWD-IZ; DS-2CD4D26FWD-IZS 
*-S: with 1 audio input (line in), 1 audio output, 1 RS-485, 2 alarm inputs and 2 alarm outputs