Dahua SDT4E425-4F-GB-A-PV1 4+4MP 25x Smart Dual Illumination Active Deterrence X-Spans Network PTZ Camera

4+4MP 25x Smart Dual Illumination Active Deterrence X-Spans Network PTZ Camera

Key Features

• Dual-lens panoramic + PTZ surveillance camera
• 4MP overview channel + 4MP PTZ detail channel
• 25× optical zoom PTZ camera
• Smart Dual Illumination with IR and warm light
• Xinghan large-scale AI models
• Auto Tracking 3.0 and linkage tracking
• Active deterrence with red-blue warning lights and siren
• Human classification AI analytics
• AcuPick AI target search
• Built-in dual microphones and speaker
• SMD 4.0 intelligent motion detection
• H.265 / Smart H.265+ compression
• PoE+ support
• IP66 weatherproof with TVS 6000V protection
• Datasheet

Specifications

Camera

Image Sensor:

• Overview Channel: 1/2.8" CMOS
• Detail Channel: 1/2.8" CMOS

Resolution:

• Overview Channel: 4MP (2560 × 1440)
• Detail Channel: 4MP (2560 × 1440)

Minimum Illumination:

• Overview Channel:
  • Color: 0.001 Lux @ F1.0
  • B/W: 0.0005 Lux @ F1.0
• Detail Channel:
  • Color: 0.005 Lux @ F1.6
  • B/W: 0.0005 Lux @ F1.6

Electronic Shutter:

• Overview: 1/3s–1/100000s
• Detail: 1s–1/30000s

Lens

Overview Lens:

• 2.8mm Fixed Lens

PTZ Lens:

• 5mm–125mm Motorised Lens

Optical Zoom:

• 25×

Aperture:

• Overview: F1.0
• Detail: F1.6–F3.6

Viewing Angle:

• Overview Channel:
  • Horizontal: 101°
  • Vertical: 53°
  • Diagonal: 120°
• Detail Channel:
  • Horizontal: 51.9°–3.0°
  • Vertical: 39.7°–2.2°

Focus Control:

• Auto / Manual / Semi-auto

DORI Distance

Overview Channel:

• Detect: 56m
• Observe: 22.4m
• Recognize: 11.2m
• Identify: 5.6m

PTZ Wide:

• Detect: 100m
• Observe: 40m
• Recognize: 20m
• Identify: 10m

PTZ Tele:

• Detect: 2500m
• Observe: 1000m
• Recognize: 500m
• Identify: 250m

PTZ

Overview Channel:

• Manual Tilt: +12° to +24°

PTZ Channel:

• Pan: 0°–360° Endless Rotation
• Tilt: -15° to +90°
• Auto Flip 180°

Manual Speed:

• Pan: 0.1°/s–200°/s
• Tilt: 0.1°/s–120°/s

Preset Speed:

• Pan: 240°/s
• Tilt: 200°/s

Presets:

• 300

Tours:

• 8 Tours

Patterns:

• 5 Patterns

Scans:

• 5 Scans

PTZ Features:

• Power-off Memory
• Idle Motion
• Auto Patrol

Lighting

Overview Channel:

• 30m IR
• 30m Warm Light

PTZ Channel:

• 100m IR
• 50m Warm Light

AI Analytics

Perimeter Protection:

• Tripwire
• Intrusion Detection
• Crossing Fence Detection
• Loitering Detection
• Parking Detection
• People Gathering Detection
• Human Classification

AI Functions:

• Auto Tracking 3.0
• Linkage Tracking
• Face Detection
• SMD 4.0
• AcuPick AI Search

Active Deterrence

Light Warning:

• Red-Blue Flashing Lights
• Adjustable Flash Duration & Frequency

Sound Warning:

• 11 Built-in Alarm Sounds
• Supports 10 Custom Alarm Uploads

Video

Compression:

• Smart H.265+
• H.265
• Smart H.264+
• H.264
• MJPEG

Streams:

• 3 Streams

Frame Rate:

• Up to 30fps

WDR:

• Overview Channel: DWDR
• Detail Channel: 120dB True WDR

Image Features:

• 2D/3D Noise Reduction
• Electronic Defog
• Electronic Image Stabilization (EIS)
• Digital Zoom 16×
• ROI Support

Audio

• Built-in Dual Microphones
• Built-in Speaker
• Two-Way Audio Support
• Audio Input & Output

Network & Storage

Network:

• RJ-45 (10/100 Base-T)

Storage:

• MicroSD Card up to 512GB
• NAS
• FTP/SFTP

Protocols:

• ONVIF Profile S/G/T
• RTSP
• HTTPS
• IPv4/IPv6

Software:

• DMSS
• DSS Pro

Mobile Support:

• iOS & Android

Alarm

• 2 Alarm Inputs
• 1 Alarm Output
• Alarm Linkage Support

Power

Power Supply:

• 12V DC
• PoE+ (802.3at)

Power Consumption:

• Basic: 14W
• Max: 25W

Protection

• IP66 Weatherproof
• TVS 6000V Lightning Protection
• Surge Protection
• Voltage Transient Protection

Operating Conditions

Operating Temperature:

• -40°C to +65°C

Humidity:

• ≤95%

Build

Material:

• ADC12 Housing

Dimensions:

• 160 × 184.4 × 304.6 mm

Weight:

• Net Weight: 3.41kg