Dahua Europe 4 Megapixel PTZ cam SDT4E425-8P-GB-APV1

Camera

Image Sensor

Overview channel: 1/2.7" CMOS; Detail channel: 1/2.8" CMOS

Pixel

Overview channel: 8 MP; Detail channel: 4 MP

Max. Resolution

Overview channel: 4096 (H) x 1860 (V); Detail channel: 2560 (H) x 1440 (V)

ROM

Overview channel: 4 GB; Detail channel: 4 GB

RAM

Overview channel: 2 GB; Detail channel: 1 GB

Electronic Shutter Speed

1 s–1/30,000 s

Scanning System

Progressive

Min. Illumination

Overview channel:
0.005 lux@F1.4 (Color, 30 IRE);
0.0005 lux@F1.4 (B/W, 30 IRE);
0 lux (illuminator on)
Detail channel:
0.005 lux@F1.6 (Color, 30 IRE);
0.0005 lux@F1.6 (B/W, 30 IRE);
0 lux (illuminator on)

Illumination Distance

Overview channel: 30 m (98.43 ft) (IR); 30 m (98.43 ft) (white light); Detail channel: 100 m (328.08 ft) (IR); 50 m (131.23 ft) (white light)

Illuminator On/Off Control

Overview channel:
Manual; Auto; Off
Detail channel:
Zoom Prio; Manual; Auto; Off

Illuminator Number

Overview channel: 2 (IR light); 2 (White light); Detail channel: 2 (IR light); 2 (Warm light)

Lens

Focal Length

Overview channel: 2.8 mm; Detail channel: 5 mm–125 mm

Max. Aperture

Overview channel: F1.4; Detail channel: F1.6-F3.6

Field of View

Overview channel: H: 180°; V: 86°; Detail channel: H: 51.9°–3.0°; V: 39.7°–2.2°; D: 63.1°–3.7°

Optical Zoom

Overview channel: NA; Detail channel: 25x

Focus Control

Auto; manual; semi-auto

Close Focus Distance

Overview channel: 0.6 m (1.97 ft); Detail channel: 0.1 m–0.5 m (0.33"–1.64")

Iris Control

Overview channel: NA; Detail channel: Auto; manual; iris prio

DORI Distance

Detect

Detect

Observe

Recognize

Identify

Overview channel:

2.8 mm

56.0 m (183.72 ft)

22.4 m (73.49 ft)

11.2 m

(36.74 ft)

5.6 m

(18.37 ft)

Detail channel:

W

100.0 m (328.08 ft)

40.0 m (131.23 ft)

20.0 m

(65.62 ft)

10.0 m

(32.81 ft)

Detail channel:

T

2500.0 m (8202.00 ft)

1000.0 m (3280.80 ft)

500.0 m

(1640.40 ft)

250.0 m

(820.20 ft)

PTZ

Pan/Tilt Range

Pan: 0° to 360° endless
Tilt: –15° to +90°, auto flip 180°

Manual Control Speed

Pan: 0.1°/s–180°/s;
Tilt: 0.1°/s–90°/s

Preset Speed

Pan: 0.1°/s–180°/s;
Tilt: 0.1°/s–90°/s

Preset

300

Tour

8 (up to 32 presets per tour)

Pattern

5

Scan

5

Power-off Memory

Yes

Idle Motion

Preset; Pattern; Tour; Scan

Intelligence

IVS (Perimeter Protection)

Tripwire; intrusion; crossing fence detection; loitering detection; abandoned/missing object; fast moving; parking detection; people gathering; human alarm classification; linkage tracking

SMD

SMD 4.0

Active Deterrence

Light Warning

Red-Blue light warning;
Flash duration: 5 s–30 s;
Flash frequency: high, medium, low

Sound Warning

Offers 11 sound alarm and 10 custom sound alarms can be imported.
Sound can be set from 0%–100%.
Play times can be set from 1-10.

Video

Video Compression

Smart H.265+;H.265;Smart H.264+;H.264B;H.264M;H.264H;MJPEG(Sub Stream 1)

Streaming Capability

3 streams

Resolution

Overview channel: 8M (4096 x 1860); 2M (2048 x 928); 1080p (1920 x 1080); 720p (1280 x 720); 1024 x 448; D1 (704 x 576/704 x 480);VGA (640 x 480);CIF (352 x 288/352 x 240); Detail channel: 4M (2560 x 1440); 3M (2304 x 1296); 1080p (1920 x 1080); 1.3M (1280 x 960); 720p (1280 x 720); D1 (704 x 576/704 x 480);VGA (640 x 480); CIF (352 x 288/352 x 240)

Video Frame Rate

Overview channel:
Main stream: 4096 x 1860 @(1–25/30 fps)
Sub stream 1: 1024 x 448/D1/VGA/CIF @(1–25/30 fps)
Sub stream 2: 2048 x 928/1080p/1.3M/720p @(1–25/30 fps);
Detail channel:
Main stream: 4M/3M/1080p/1.3M/720p @(1–25/30 fps)
Sub stream 1: D1/VGA/CIF @(1–25/30 fps)
Sub stream 2: 1080p/1.3M/720p/ @(1–25/30 fps)

Bit Rate Control

CBR/VBR

Video Bit Rate

Overview channel:
H264: 128 kbps–16,384 k