Dahua IP kamera IPC-HDW4231EM-ASE

Camera

Image Sensor

1/2.8” 2 Megapixel progressive scan CMOS

Effective Pixels

1920(H) x 1080(V)

RAM/ROM

256MB/32MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual, 1/3(4)~1/100000s

Minimum Illumination

0.007Lux/F1.6( Color,1/3s,30IRE)

0.06Lux/F1.6( Color,1/30s,30IRE)

0Lux/F1.6(IR on)

S/N Ratio

More than 50dB

IR Distance

Distance up to 50m (164ft)

IR On/Off Control

Auto/ Manual

IR LEDs

1

Lens

Lens Type

Fixed

Mount Type

Board-in

Focal Length

2.8mm (3.6mm,6mm optional)

Max. Aperture

F1.6 (F1.6, F1.6)

Angle of View

H:110° (87°, 52°), V:58° (48°, 30°)

Optical Zoom

N/A

Focus Control

Fixed

Close Focus Distance

0.9m(1.2m, 2.5m)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

43m(141ft)

17m(56ft)

9m(30ft)

4m(13ft)

3.6 mm

55m(180ft)

22m(72ft)

11m(36ft)

6m(20ft)

6.0 mm

83m(289ft)

33m(108ft)

17m(56ft)

8m(26ft)

Pan/Tilt/Rotation

Pan/Tilt/Rotation Range

Pan:0˚~360˚; Tilt:0˚~78˚; Rotation:0˚~360˚

Intelligence

IVS

Tripwire, Intrusion, Object Abandoned/Missing

Advanced Intelligent Functions

Face Detection

Video

Compression

H.265+/H.265/H.264+/H.264

Streaming Capability

3 Streams

Resolution

1080P(1920x1080)/1.3M(1280x960)/

720P(1280×720)/D1(704×576/704×480)/

VGA(640×480)/CIF(352×288/352×240)

Frame Rate

Main Stream: 1080P/720P(1~50/60fps)

Sub Stream: D1(1 ~50/60fps)