DAHUA IPC-HFW1431S1-S4 2K 4MP PoE IP Security Camera, 2.8mm IR 30m

Camera

Image sensor

1/3” 4 megapixel progressive CMOS

Max. Resolution

2688 (H) × 1520 (V)

ROM

128 megabytes

RAM

128 megabytes

Scanning system

Progressive

Electronic shutter speed

Auto/Manual 1/3 s–1/100000 s

S/N ratio

> 56dB

Min. Lighting

0.03 lux @ F2.0

Illumination distance

30 m (98.4 ft)

Illuminator on/off control

Car manual

Illuminator number

12 (infrared LED)

Pan/Tilt/Rotation Range

Panoramic: 0°–355°
Tilt: 0°–78°
Rotation: 0°–360°

Lens

Lens Type

Fixed focal

Mounting type

M12

Focal length

2.8mm
3.6mm

Max. Opening

F2.0

Field of view

2.8 mm:
Horizontal: 93°
Vertical: 53°
Diagonal: 111°
3.6 mm:
Horizontal: 81°
Vertical: 44°
Diagonal: 95°

Type of iris

Fixed

Close focusing distance

2.8mm: 0.8m (2.6ft)
3.6mm: 1.4m (4.6ft)

DORI distance

Lens

Detect

Notice

Recognize

Identify

2.8 mm

50.0 meters

(183.7 feet)

22.4 meters

(73.5 feet)

11.2 meters

(36.7 feet)

15.1 meters

(18.4 feet)

3.6 mm

80.0 meters

(262.5 feet)

32.0 meters

(105.0 feet)

16.0 meters

(52.5 feet)

8.0 meters

(26.2 feet)

Video

Video compression

H.265; H.264; H.264B; MJPEG ( substream supported only)

Smart Codec

Smart H.265+/ Smart H.264+

Video frame rate

Main transmission:
2688 × 1520 (1 fps–20 fps)
2560 × 1440 (1fps–25/30fps)
Secondary transmission:
704 × 576 (1fps–20/25fps)
704 × 480 (1fps–20/30fps)

Transmission capacity

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

RBC; VBR

Video Bitrate

H.264: 32 kbps–6144 kbps
H.265: 12 kbps–6144 kbps

Day/Night

Automatic (ICR)/Color/B/W

BLC

Yeah

CHL

Yeah

WDR

120dB

White balance

Auto/natural/streetlight/outdoor/manual/regional custom

Gain control

Manual/Automatic

Noise reduction

3D noise reduction

Motion detection

OFF/ON (4 areas, rectangular)

Region of Interest (RoI)

Yes (4 areas)

Smart lighting

Yeah

Image rotation

0°/90°/180°/270° (supports 90°/270° with resolution of 2688 × 1520 and below).

Mirror

Yeah

Privacy Masking

4 areas