Dahua SD49425GB-HNR 4MP 25x Starlight IR Network PTZ Camera

Dahua SD49425GB-HNR 4MP 25× Starlight IR Network PTZ Camera

Key Features

• High-quality imaging with 4MP resolution

• 25× optical zoom for detailed close-up views across expansive areas

• Up to 100m infrared illumination for 24/7 monitoring

• Enhanced deep learning-based human and vehicle classification

• Face detection with support for simultaneous capture of up to 32 faces

• Excellent low-light performance with Starlight technology

• High manual and preset speeds for responsive PTZ operation

• SMD 4.0 intelligent motion detection

• AcuPick for fast and accurate human and vehicle searches

• Supports up to 512GB MicroSD card storage

• Supports 12V DC and PoE+ power

• IP66 weather-resistant protection

• Datasheet

Camera

Image Sensor: 1/2.8" CMOS
Resolution: 4MP
Maximum Resolution: 2560 × 1440
ROM: 4GB
RAM: 1GB
Scanning System: Progressive scan
Electronic Shutter Speed: 1 second to 1/30,000 second

Minimum Illumination:

• Colour: 0.005 lux at F1.6

• Black and white: 0.0005 lux at F1.6

• 0 lux at F1.6 with IR illumination activated

IR Illumination Distance: Up to 100m
Illuminator Control: Zoom priority, manual, automatic or off
Illuminators: 4 × IR lights

Lens

Focal Length: 5mm–125mm
Optical Zoom: 25×
Digital Zoom: 16×
Maximum Aperture: F1.6–F3.6

Field of View:

• Horizontal: 51.9°–3.0°

• Vertical: 39.7°–2.2°

• Diagonal: 63.1°–3.7°

Focus Control: Automatic, semi-automatic or manual
Close Focus Distance: 0.1m–0.5m
Iris Control: Automatic

DORI Distance

• Detect: 2,500m

• Observe: 987.5m

• Recognise: 500m

• Identify: 250m

DORI distances are based on the EN 62676-4 standard and indicate the general ability to distinguish people or objects. They do not represent intelligent detection distances.

PTZ

Pan Range: 0°–360° endless rotation
Tilt Range: –15° to +90° with 180° automatic flip

Manual Control Speed:

• Pan: 0.1°–200° per second

• Tilt: 0.1°–120° per second

Preset Speed:

• Pan: Up to 240° per second

• Tilt: Up to 200° per second

Presets: 300
Tours: 8, with up to 32 presets per tour
Patterns: 5
Scans: 5
Power-Off Memory: Supported
Idle Motion: Pattern, preset, scan or tour

Intelligent Features

IVS Perimeter Protection

• Tripwire detection

• Intrusion detection

• Fence-crossing detection

• Loitering detection

• Abandoned and missing object detection

• Fast-moving detection

• Parking detection

• People-gathering detection

• Human and vehicle alarm classification

Face Detection

Supports face detection, optimisation, tracking, image capture, high-quality face snapshot uploads and face enhancement.

Supported facial attributes include:

• Gender

• Age

• Glasses

• Face mask

• Moustache

• Facial expressions

Supported expressions include angry, sad, disgusted, scared, surprised, calm, happy and confused.

The camera also supports face cutouts and one-inch photo formats. Capture strategies include real-time capture, optimisation and quality-priority capture.

SMD 4.0

Uses intelligent human and vehicle classification to reduce false alarms caused by irrelevant movement.

AcuPick

Uses deep learning algorithms and works with compatible backend devices to accurately match people and motor vehicles across live and recorded footage, allowing targets to be located quickly.

Auto Patrol

When an IVS rule is triggered, the camera rotates to the detected target position and patrols according to its configured presets.

Video

Video Compression:

• Smart H.265+

• H.265

• Smart H.264+

• H.264

• H.264H

• H.264B

• MJPEG on sub stream

Streaming Capability: 3 streams

Supported Resolutions:

• 4MP: 2560 × 1440

• 3MP: 2304 × 1296

• 3MP: 2048 × 1536

• 1080p: 1920 × 1080

• 720p: 1280 × 720

• D1

• CIF

Frame Rate:

• Main stream: Up to 25/30 fps

• Sub stream 1: Up to 25/30 fps

• Sub stream 2: Up to 25/30 fps

Bit Rate Control: CBR or VBR

Video Bit Rate:

• H.264: 96 Kbps–14,848 Kbps

• H.265: 38 Kbps–8,960 Kbps

Day and Night: Automatic ICR, colour or black and white
Wide Dynamic Range: Supported
Backlight Compensation: Supported
Highlight Compensation: Supported
Noise Reduction: 2D and 3D noise reduction
Motion Detection: Supported
Region of Interest: Supported
Image Stabilisation: Electronic Image Stabilisation
Defog: Electronic
Image Rotation: 180°
Signal-to-Noise Ratio: At least 55 dB

White Balance:

• Automatic

• Indoor

• Outdoor

• ATW

• Manual

• Sodium lamp

• Natural light

• Street lamp

Gain Control: Automatic or manual

Privacy Masking: Up to 24 privacy areas, with up to 8 areas visible in the same view

Audio

Audio Compression:

• PCM

• G.711A

• G.711Mu

• G.726

• MPEG2-Layer2

• G.722.1

• G.729

• G.723

Audio Input: 1 × line input, bare wire
Audio Output: 1 × line output, bare wire

Network

Network Port: 1 × RJ45 10/100 Mbps

Network Protocols:

FTP, RTMP, IPv4, IPv6, Bonjour, DNS, RTCP, PPPoE, NTP, RTP, 802.1X, HTTPS, SNMP, TCP/IP, DDNS, UPnP, NFS, ICMP, UDP, IGMP, HTTP, SSL, DHCP, SMTP, QoS, RTSP and ARP.

Interoperability:

• ONVIF Profile S

• ONVIF Profile G

• ONVIF Profile T

• CGI

• SDK

• RTMP

• P2P

Streaming: Unicast and multicast
Maximum Users: 20
Total Bandwidth: 64 Mbps

Storage Options:

• MicroSD card up to 512GB

• FTP/SFTP

• NAS

Management Software: DSS and DMSS
Mobile Compatibility: iOS and Android

Browser Support:

• Internet Explorer 9 or later

• Chrome 41 or later

• Firefox 50 or later

• iOS 10 or later

Alarm and I/O

Alarm Inputs/Outputs: 2/1
Audio Inputs/Outputs: 1/1

Alarm Linkage Options:

• Snapshot capture

• Recording

• Email notification

• Preset

• Tour

• Pattern

• Digital alarm input

Supported Alarm Events:

• Motion detection

• Tampering detection

• Audio detection

• Network disconnection

• IP address conflict

• Memory card status

• Storage capacity warnings

Power

Power Supply:

• 12V DC, 3A ±10%

• PoE+ IEEE 802.3at

Power Consumption:

• Basic: 9W

• Maximum: 20W with illuminators, alarm and PTZ operating

Environmental

Operating Temperature: –40°C to +70°C
Operating Humidity: Up to 95%
Storage Temperature: –40°C to +70°C
Storage Humidity: Up to 95%
Weather Protection: IP66

Electrical Protection:

• TVS 6000V lightning protection

• Surge protection

• Voltage transient protection

Structure

Dimensions: 270.4mm × Ø160mm
Net Weight: 2.4kg
Gross Weight: 3.9kg

Certifications

CE EMC:

• EN 55032

• EN 61000-3-3

• EN 61000-3-2

• EN 50130-4

• EN 55035

CE LVD: EN 62368-1
FCC: 47 CFR FCC Part 15, Subpart B and ANSI C63.4
UL: UL 62368-1