Dahua Europe IP Network Camera 8MP HDW3842EM-S 2.8mm

Camera

Image Sensor

1/1.8" CMOS

Max. Resolution

3840 (H) × 2160 (V)

ROM

128 MB

RAM

1 GB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.003 lux@F1.6 (Color, 30 IRE)

0.0005 lux@F1.6 (B/W, 30 IRE)

0 lux (Illuminator on)

S/N Ratio

> 56 dB

Illumination Distance

Up to 30 m (98.42 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

2 (IR LED)

Angle Adjustment

Pan: 0°–360°; Tilt: 0°–78°; Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Lens Mount

M12

Focal Length

2.8 mm

Max. Aperture

F1.6

Field of View

2.8 mm: H: 111°; V: 59°; D: 131°

Iris Control

Fixed

Close Focus Distance

2.8 mm: 1.8 m (5.91 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

84.5 m
(277.23 ft)

34.2 m
(112.20 ft)

17.1 m
(56.10 ft)

8.5 m
(27.89 ft)

Intelligence

IVS (Perimeter Protection)

Tripwire, intrusion (support the classification and accurate detection of vehicle and human)

AI SSA

Adopt deep learning algorithms to adjust the parameters of the image to suit the conditions

Quick Pick

With AI NVR, quickly pick up the human/vehicle targets that users are interested in from SMD events

Smart Search

Work together with Smart NVR to perform refine intelligent search, event extraction and merging to event videos

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+

AI Coding

AI H.265
AI H.264

Video Frame Rate

Main stream: 3840 × 2160 @ (1–25/30) fps
Sub stream 1: 704 × 576 @ (1–25 fps)/704 × 480 @ (1–30 fps)
Sub stream 2: 1920 × 1080 @ (1–25/30 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

3 streams

Resolution

8M (3840 × 2160); 6M (3072 × 2048); 5M (3072 ×
1728/2592 × 1944); 4M (2688 × 1520); 3.6M (2560 × 1440); 3M (2048 × 1536); 3M (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); CIF (352 × 288/352 × 240); VGA (640 × 480)

Bit Rate Control

CBR/VBR

Video Bit Rate

H.264: 3 kbps–16384 kbps
H.265: 3 kbps–16384 kbps

Day/Night

Auto (ICR)/Color/B/W

BLC

Yes

HLC

Yes

WDR

120 dB

Scene Self-adaptation (SSA)

Yes

White Balance

Auto; natural; street lamp; outdoor; manual; regional custom

Gain Control

Auto

Noise Reduction

3D NR

Motion Detection

OFF/ON (4 areas, rectangular)

Region of Interest (RoI)

Yes (4 areas)

Defog

Yes

AFSA

Yes

Image Rotation

0°/90°/180°/270° (support 90°/270° with 2688×1520 resolution and lower)

Mirror

Yes