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IP and Wi-Fi Cameras

Dahua-IPC-HDW2431T-AS

Brand: Dahua

Updated

Dahua IP and Wi-Fi Cameras

Specifications

General

ROM 128 MB
RAM 128 MB
Scanning System Progressive
Min. Illumination 0.008 Lux @ F1.6
S/N Ratio >56 dB
Illumination Distance 30 m (98.43 ft)
Illuminator On/Off Control Auto/Manual
Illuminator Number 2 (IR LED)
Pan/Tilt/Rotation Range Pan: 0°–360°, Tilt: 0°–78°, Rotation: 0°–360°
Field of View 2.8 mm:, Horizontal 102.0° × Vertical 55.0° × Diagonal 121.0°, 3.6 mm:, Horizontal 84.0° × Vertical 45.0° × Diagonal 100.0°
Iris Type Fixed
IVS Tripwire; intrusion
Smart Codec Smart H.265+/ Smart H.264+
Stream Capability 2 streams
Bit Rate Control CBR/VBR
BLC Yes
HLC Yes
WDR 120 dB
White Balance Auto/natural/street lamp/outdoor/manual/regional custom
Gain Control Auto/Manual
Noise Reduction 3D NR
Motion Detection Disable/Enable (4 areas, rectangle)
Region of Interest(RoI) Yes (4 areas)
Smart Illumination Yes
Mirror Yes
Privacy Masking 4 areas
Built-in MIC Yes
Audio Compression G.711A; G.711Mu; G.726
Alarm Event No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; voltage detection; security exception
SDK and API Yes
Cyber Security Video encryption; firmware encryption; configuration encryption; Digest; WSSE; account lockout; security logs; IP/MAC filtering; generation and importing of X.509 certification; syslog; HTTPS; 802.1x; trusted boot; trusted execution; trusted upgrade
Protocol IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; Bonjour
Interoperability ONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec
User/Host 20
Browser IE, Google, Firefox
Management Software Smart PSS; DSS; DMSS
Mobile Phone IOS; Android
Certifications CE-LVD: EN62368-1, 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
Operating Humidity ≤95%
Protection IP67
Casing Metal + Plastic

Image

Image Sensor 1/3” 4Megapixel progressive CMOS
Max. Resolution 2688 (H) × 1520 (V)
Electronic Shutter Speed Auto/Manual 1/3 s–1/100000 s
Lens Type Fixed-focal
Mount Type M12
Focal Length 2.8 mm, 3.6 mm
Max. Aperture F1.6, F1.6
Close Focus Distance 2.8 mm: 0.9 m (2.95 ft), 3.6 mm: 1.6 m (3.61 ft)
Resolution 2688 × 1520 (2688 × 1520); 2560 × 1440 (2560 × 1440); 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)
Day/Night Auto (ICR)/Color/B/W
Image Rotation 0°/90°/180°/270° (Supports 90°/270° with 2688 × 1520 resolution.)

Video

Video Compression H.265; H.264; H.264B; MJPEG (only supported, by sub stream)
Video Frame Rate Main stream:, 2688 × 1520 (1 fps-20 fps), 2560 × 1440 (1 fps-25/30 fps), Sub stream:, 704 × 576 (1 fps-25 fps), 704 × 480 (1 fps-30 fps)
Video Bit Rate H.264: 32 kbps–6144 kbps, H.265: 12 kbps–6144 kbps

Connectivity

Network RJ-45 (10/100 Base-T)
Storage FTP; Micro SD card (support max. 256 G); NAS; SFTP
Storage Temperature -40°C to +60°C (-40°F to +140°F)
Storage Humidity ≤95%

Power

Power Supply 12V DC/PoE
Power Consumption Basic power consumption: 2.1W (12V DC), 2.5W (POE), Max power consumption (H.265, Max resolution, Max stream, WDR, IR full intensity, IVS): 5.7W (12V DC), 6.6W (POE)
Basic power consumption 2.1W (12V DC), 2.5W (POE)

Dimensions

Operating Temperature -40°C to +60°C (-40°F to +140°F)
Dimensions 100.9 mm × Φ109.9 mm (3.97″ × Φ4.33″)
Net Weight 0.39 kg (0.86 lb.)
Gross Weight 0.52 kg (1.15 lb.)
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Prices seen in Bangladesh

SellerPriceSeen on
Dahua Security Bangladesh ৳7,000 October 28, 2026

Prices as published by each seller on the date shown. They change often; confirm with the seller before you buy.

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