Dahua’s IPC-HDW1431 T1-A-S4 (Audio) Camera

4 MP Entry IR Fixed-focal Eyeball Network Camera

> 4-MP 1/2.7″ CMOS image sensor, low luminance, and high definition image.
> Outputs 4 MP (2560 × 1440) @25/30 fps, and supports max. 4 MP (2688 × 1520) @20 fps
> H.265 codec, high compression rate, ultra-low bit rate.
> Built-in IR LED, and the max. illumination distance is 30 m.
> ROI, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments.
> Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes.
> Abnormality detection: Motion detection, video tampering, network disconnection, IP conflict, audio detection and illegal access.
> Built-in MIC.
> 12 VDC/PoE power supply.
> IP67 protection.

Description

Camera
Image Sensor 1/2.7″ CMOS
Max. Resolution 2688 (H) × 1520 (V)
ROM 16 MB
RAM 128 MB
Scanning System Progressive
Electronic Shutter Speed Auto/Manual 1/3 s–1/100,000 s
Min. Illumination 0.03 lux@F2.0 (Color, 30 IRE)

0.003 lux@F2.0 (B/W, 30 IRE)

0 lux (Illuminator on)

S/N Ratio > 56 dB
Illumination Distance 30 m (98.43 ft) (IR)
Illuminator On/Off Control Auto; manual
Illuminator Number 1 (IR LED)
Pan/Tilt/Rotation Range Pan: 0°–360°

Tilt: 0°–78°

Rotation: 0°–360°

Lens
Lens Type Fixed-focal
Lens Mount M12
Focal Length 2.8 mm; 3.6 mm
Max. Aperture 2.8 mm: F2.0

3.6 mm: F2.0

Field of View 2.8 mm: Horizontal: 104°; Vertical: 58°; Diagonal: 124°

3.6 mm: Horizontal: 88°; Vertical: 48°; Diagonal: 103°

Iris Control Fixed
Close Focus Distance 2.8 mm: 0.7 m (2.30 ft)

3.6 mm: 1.2 m (3.94 ft)

DORI Distance Lens Detect Observe Recognize Identify
2.8 mm 56.0 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 76.0 m (249.34 ft) 30.4 m (99.74 ft) 15.2 m (49.87 ft) 7.6 m

(24.93 ft)

Video
Video Compression H.265; H.264; H.264H; H.264B; MJPEG (Only supported by the sub stream)
Smart Codec Smart H.265+; Smart H.264+
Video Frame Rate Main stream:
2688 × 1520 (1 fps–20 fps)

2560 × 1440 (1 fps–25/30 fps)
Sub stream:
704 × 576 (1 fps–20/25 fps)

704 × 480 (1 fps–20/30 fps)

*The values above are the max. frame rates of each stream; for multiple streams, the values will be subjected to the total encoding capacity.

Stream Capability 2 streams
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)
Bit Rate Control CBR/VBR
Video Bit Rate H.264: 32 kbps–6144 kbps
H.265: 12 kbps–6144 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 NR
Motion Detection OFF/ON (4 areas, rectangular)
Region of Interest (RoI) Yes (4 areas)
Smart Illumination Yes
Image Rotation 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 resolution and lower.)
Mirror Yes
Privacy Masking 4 areas
Audio
Built-in MIC Yes
Audio Compression G.711A; G.711Mu; G.726
Alarm
Alarm Event Network disconnection; IP conflict; illegal access; motion detection; video tampering; audio detection; security exception
Network
Network Port RJ-45 (10/100 Base-T)
SDK and API Yes
Cyber Security Video encryption; configuration encryption; Digest; WSSE; account lockout; security logs; generation and importing of X.509 certification; trusted boot; trusted execution; trusted upgrade
Network Protocol IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; SMTP; FTP; DHCP; DNS; DDNS; NTP; Multicast
Interoperability ONVIF (Profile S/Profile T); CGI; P2P; Genetec
User/Host 6 (Total bandwidth: 36 M)
Storage FTP
Browser IE
Chrome
Firefox
Management Software Smart PSS; DSS; DMSS
Mobile Client iOS; Android
Certification
Certifications CE-LVD: EN 62368-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
Power
Power Supply 12 VDC/PoE (802.3af)
Power Consumption Basic: 1.9 W (12 VDC); 2.9 W (PoE)
Max. (ICR + H.265 + IR intensity): 3.8 W (12 VDC); 5 W (PoE)
Environment
Operating Temperature –40 °C to +60 °C (–40 °F to +140 °F)
Operating Humidity ≤ 95%
Storage Temperature –40 °C to +60 °C (–40 °F to +140 °F)
Protection IP67
Structure
Casing Metal + Plastic
Product Dimensions 85.5 mm × Φ109 mm (3.37″ × Φ4.29″)
Net Weight 0.25 kg (0.6 lb)
Gross Weight 0.37 kg (0.8 lb)

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