Dahua IP kamera IPC-HDW2431T-AS-S2

Camera

Image Sensor

1/3” 4Megapixel progressive CMOS

Effective Pixels

2688 (H) × 1520 (V)

ROM

128 MB

RAM

128 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

Horizonal: 0°–360°
Vertical: 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:
Horizonal: 102.0°
Vertical: 55.0°
Diagonal: 121.0°
3.6 mm:
Horizonal: 84.0°
Vertical: 45.0°
Diagonal: 100.0°

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

Intrusion; tripwire

Video

Video Compression

H.265; H.264; H.264B; MJPEG

Smart Codec

Yes

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)

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 DNR

Motion Detection