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| DH-SD4E425GB-HNR-A-PV1
Technical Specification
Camera
Image Sensor
1/2.8" CMOS
Pixel
4 MP
Face Detection
Max. Resolution
2560 (H) × 1440 (V)
ROM
4 GB
RAM
1 GB
Supports face detection, face bounding box,
capturing snapshots, uploading face snapshots,
enhancing face images, and selecting a preferred
image among a group of snapshots. Attribute
Extraction is also supported, where 6 attributes
and 8 expressions can be detected. The attributes
are gender, age, glasses, mask, mustache and
expressions. The expressions are angry, sad, hate,
scared, surprised, calm, happy and confused. Face
cutout is also offered, where you can cutout one
face at a time and customize the size to be a one-
inch photo. The supported methods for capturing
snapshots are real-time capturing, quality first,
and selecting a preferred image among a group of
snapshots.
Electronic Shutter Speed
1/1 s–1/30,000 s
Auto Tracking
Yes
Scanning System
Progressive
SMD
Yes
Min. Illumination
Color: 0.005 lux@F1.6
B/W: 0.0005 lux@F1.6
0 lux@F1.6 (illuminator on)
Quick Pick
With AI NVR, quickly pick up the human/vehicle
targets that users are interested in from SMD events.
Active Deterrence
Illumination Distance
100 m (328.08 ft) (IR)
50 m (164.04 ft)(White light)
Illuminator On/Off Control
Zoom Prio; Manual; Auto; Off
Light Warning
Red and blue warning light. They can be configured to
flash for 5 to 30 seconds with a high, medium or low
frequency.
Illuminator Number
2 (IR)
2 (Dual light fusion)
Sound Warning
Offers 11 types of sound alarms, and supports
importing custom sound alarms.
Lens
Video
Focal Length
5 mm–125 mm
Max. Aperture
F1.6–F3.6
Video Compression
H.264H;H.264B;Smart H.265+;H.265;MJPEG(Sub
Stream);Smart H.264+;H.264M
Streaming Capability
3 streams
Field of View
H: 51.9°–3.0°;
V: 39.7°–2.2°;
D: 63.1°–3.7°
Resolution
Optical Zoom
25×
4M (2560 × 1440); 3M (2048 × 1536); 3M (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)
Focus Control
Auto; semi-auto; manual
Video Frame Rate
Close Focus Distance
0.1 m–0.5 m (0.33 ft–1.64 ft)
Main stream: 4M/3M/1080p/1.3M/720p@ (1–25/30
fps)
Sub stream 1: D1/CIF/VGA@(1–25/30 fps) Sub stream
2: 1080p/1.3M/720p@(1–25/30 fps)
Iris Control
Auto; manual
Bit Rate Control
CBR/VBR
Detect
Observe
Recognize
Identify
DORI Distance
Video Bit Rate
H264: 96 Kbps–14848 Kbps
H265: 38 Kbps–8960 Kbps
2500 m
(8208.10 ft)
987.5 m
(3239.83 ft)
500 m
(1640.42 ft)
250 m
(820.21 ft)
Day/Night
Auto (ICR)/Color/B/W
PTZ
BLC
Yes
Pan/Tilt Range
Pan: 0° to 360° endless
Tilt: –15° to +90°, auto flip 180°
WDR
120 dB
HLC
Yes
Manual Control Speed
Pan: 0.1°/s–200°/s
Tilt: 0.1°/s–120°/s
Preset Speed
Pan: 240°/s; Tilt: 200°/s
White Balance
Auto/Indoor/Outdoor/Tracking/Manual/Sodium
lamp/Natural light/Street lamp
Preset
300
Gain Control
Auto/Manual
Tour
8 (up to 32 presets per tour)
Noise Reduction
2D/3D
Pattern
5
Motion Detection
Yes
Scan
5
Region of Interest (RoI)
Yes
Power-off Memory
Yes
Image Stabilization
Electronic (EIS)
Idle Motion
Pattern; Preset; Scan; Tour
Defog
Electronic
Intelligence
Digital Zoom
16×
Image Rotation
180°
IVS (Perimeter Protection)
Tripwire; intrusion; crossing fence detection; loitering
detection; abandoned/missing object; fast moving;
parking detection; people gathering; vehicle/human
alarm classification; linkage tracking
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