Technical Specification
Camera
Image Sensor 1/2.7” 5Megapixel progressive CMOS
Effective Pixels 2592 (H) × 1944 (V)
ROM 128 MB
RAM 256 MB
Scanning System Progressive
Electronic Shutter Speed Auto/Manual 1/3 s–1/100000 s
Min. Illumination 0.008 Lux @ F1.6
IR Distance 30 m (98.43 ft)
IR On/Off Control Auto/Manual
IR LEDs Number 2
Pan/Tilt/Rotation Range
Pan: 0°–360°
Tilt: 0°–78°
Rotation: 0°–360°
Lens
Lens Type Fixed
Mount Type M12
Focal Length 2.8 mm
3.6 mm
Max. Aperture F1.6
F1.6
Field of View
2.8 mm:
Pan: 103.0°
Tilt: 71.0°
Diagonal: 132.0°
3.6 mm:
Pan: 84.0°
Tilt: 58.0°
Diagonal: 110.0°
Iris Type Fixed aperture
Close Focus Distance 2.8 mm: 0.9 m (2.95 ft)
3.6 mm: 1.6 m (3.61 ft)
DORI
Distance
Lens Detect Observe Recognize Identify
2.8 mm 56 m
(183.73 ft)
22.4 m
(73.49 ft)
11.2 m
(36.75 ft)
5.6 m
(18.37 ft)
3.6 mm 80 m
(262.47 ft)
32.0 m
(104.99 ft)
16.0 m
(52.49 ft)
8.0 m
(26.25 ft)
Smart event
General IVS Analytics Tripwire; intrusion
Video
Video Compression H.265; H.264; H.264B; MJPEG
Smart Codec Yes
Video Frame Rate
Main stream:
2592 × 1944 (1 fps-20 fps)
2688 × 1520 (1 fps-25/30 fps)
Sub stream:
704 × 576 (1 fps-25 fps)
704 × 480 (1 fps-30 fps)
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Stream Capability 2 streams
Resolution
2592×1944(2592×1944); 2688×1520(2688×1520);
3M(2048×1536); 2304×1296(2304×1296);
1080p(1920×1080); 1.3M (1280 × 960);
720p(1280×720); D1(704× 576/704×480);
VGA(640×480); CIF(352×288/352×240)
Bit Rate Control CBR/VBR
Video Bit Rate H.264: 32 Kbps–8192 Kbps
H.265: 12 Kbps–8192 Kbps
Day/Night Auto(ICR)/Color/B/W
BLC Yes
HLC Yes
WDR 120 dB
White Balance Auto/natural/street lamp/outdoor/manual/regional
custom
Gain Control Auto/Manual
Noise Reduction 3D DNR
Motion Detection OFF/ON (4 areas, rectangular)
Region of Interest(RoI) Yes (4 areas)
Smart IR Yes
Image Rotation 0°/90°/180°/270° (Supports 90°/270° 2688 × 1520
resolution and lower.)
Mirror Yes
Privacy Masking 4 areas
Audio
Built-in MIC
Audio Compression G.711A; G.711Mu; G.726; AAC
Network
Network RJ-45 (10/100 Base-T)
Protocol
IPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP ; RTSP;
RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS;
QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE;
802.1x; Bonjour
Interoperability ONVIF(Profile S/Profile G/Profile T);CGI; P2P;
Milestone; Genetec
User/Host 20
Edge Storage Dahua Cloud; FTP; SFTP; Micro SD Card (support max.
256 GB); NAS
Browser
IE
Chrome
Firefox
Management Software Smart PSS; DSS; DMSS
Mobile Phone IOS; Android
Certification
Certifications
CE-LVD: EN60950-1
CE-EMC: Electromagnetic Compatibility Directive
2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07
No
Lite Series | DH-IPC-HDW2531T-AS-S2
Power
Power Supply 12V DC/PoE (802.3af)
Power Consumption < 7.2W
Environment
Operating Conditions -40°C to +60°C (-40°F to +140°F)/less than ≤ 95%
Storage Temperature -40°C to +60°C (-40°F to +140°F)
Protection IP67
Structure
Casing Metal + Plastic
Dimensions 100.9 mm × Φ109.9 mm (3.97″ × Φ4.33″)
Net Weight 0.39 kg (0.9 lb)
Gross Weight 0.56 kg (1.2 lb)

Ordering Information
Type Part Number Description
5MP Camera
DH-IPCHDW2531TP-AS-S2
5MP Lite IR Fixed-focal Eyeball Network
Camera,PAL
DH-IPCHDW2531TN-AS-S2
5MP Lite IR Fixed-focal Eyeball Network
Camera, NTSC
Accessories
(optional)
PFA130-E Junction Box
PFB203W Wall Mount
PFA152-E Pole Mount
PFM321D DC12V1A Power Adapter
LR1002-1ET/1EC Single-port Long Reach Ethernet over Coax
Extender
PFM900-E Integrated Mount Tester
PFM114 TLC SD Card
Junction Mount Wall Mount
PFB203W PFA152-E+PFB203W
Pole Mount
PFA130-E
PFM114
TLC SD Card
Dimensions (mm[inch])
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Rev 001.001 © 2019 Dahua. All rights reserved. Design and specifications are subject to change out notice.
Pictures in the document are for reference only, and the actual product shall prevail.