Dahua SDT5X425-4Z4-FA-0832: A Comprehensive Technical Overview

March 25, 2025

In the ever-evolving landscape of surveillance technology, the Dahua SDT5X425-4Z4-FA-0832 stands out as a pinnacle of innovation and functionality. This 4MP Starlight IR WizMind Network Dual-PTZ Camera is designed to meet the most demanding security requirements while offering advanced features that enhance both performance and user experience. In this detailed technical overview, we will explore the various aspects of this remarkable camera, from its system architecture to its specific technical specifications, ensuring a thorough understanding of its capabilities and applications.

System Overview

The Dahua SDT5X425-4Z4-FA-0832 belongs to Dahua's multi-sensor series, which ingeniously combines the functionalities of panoramic and detail cameras into a single, powerful design. This integration allows both the panoramic and detail cameras to rotate freely on their domes, enabling the tracking of multiple targets from different angles while maintaining constant surveillance of the monitored area. The panoramic camera is optimized for intelligent detection, while the detail camera specializes in auto-tracking. Together, they form a sophisticated surveillance solution that leverages embedded AI chips to perform a wide array of intelligent functions, making it suitable for diverse scenarios ranging from high-security facilities to smart city applications.

Key Functions and Technologies

Dual-PTZ System

One of the standout features of the DH-SDT5X425-4Z4-FA-0832 is its dual PTZ (Pan-Tilt-Zoom) system. Both the panoramic and detail cameras possess the capability to move horizontally and vertically, providing comprehensive coverage and flexibility in monitoring. This dual PTZ functionality allows security personnel to adjust the camera angles dynamically, ensuring optimal viewing and tracking of subjects within the surveillance area. The system's design ensures smooth and precise movements, minimizing latency and maximizing responsiveness, which is crucial in real-time security operations.

Face Recognition

The camera's face recognition capabilities are powered by advanced AI algorithms that extract facial attributes from captured images. These attributes are stored in an integrated database, which can hold up to 10,000 face images. This extensive database enables real-time comparison and identification of individuals, making the camera highly effective for access control, crowd monitoring, and security applications where rapid identification is essential. The system's accuracy and speed in matching faces against the database significantly enhance security measures, reducing the risk of unauthorized access and improving overall safety.

Starlight+ Technology

Dahua's Starlight Ultra-low Light Technology addresses the challenges of surveillance in low-light conditions. With exceptional light sensitivity, the camera can capture vivid color details even in environments as dark as 0.001 lux. This technology employs a set of optical features to balance light throughout the scene, ensuring clear and usable images in darkness where traditional cameras would struggle. The Starlight+ Technology is particularly valuable for outdoor surveillance, nighttime operations, or any setting where lighting conditions are less than ideal, providing reliable monitoring around the clock.

WizMind Solutions

As part of Dahua's WizMind portfolio, the DAHUA DH-SDT5X425-4Z4-FA-0832 benefits from industry-leading deep learning algorithms. WizMind offers a comprehensive suite of project-oriented products, including IP cameras, IVSS, NVR, PTZ, XVR, Thermal solutions, and software platforms. This ecosystem approach ensures that the camera can be seamlessly integrated into larger security infrastructures, providing precise, reliable, and comprehensive AI solutions tailored to specific industry requirements. Whether for commercial, industrial, or public security applications, WizMind delivers intelligent surveillance capabilities that enhance operational efficiency and security outcomes.

PFA Technology

The Precision Focusing Algorithm (PFA) technology introduces innovative judgment methods to ensure the accuracy and predictability of subject distance adjustment. This results in advanced focusing algorithms that maintain image clarity during zoom operations and reduce focus time. The improvement in focusing precision and speed is particularly beneficial in dynamic surveillance environments where quick adjustments are necessary to track moving subjects or capture critical moments. PFA technology elevates the camera's performance, ensuring high-quality imagery regardless of the monitoring scenario's complexity.

Metadata Extraction

The camera supports metadata extraction, which involves capturing information on the attributes of targets during monitoring. This metadata can be utilized for efficient data retrieval and analysis. The supported metadata categories include human face, human body, motor vehicle, and non-motor vehicle attributes. For instance, face information encompasses gender, age, glasses, masks, beards, and more, while human body information covers details such as hat, top color, bottom color, and bag. Motor vehicle metadata includes plate color, type, vehicle color, and other relevant details, and non-motor vehicle information encompasses type, color, and people count. This rich metadata enhances the camera's utility in applications requiring detailed analytics, such as traffic monitoring, crowd management, and forensic investigations.

Smart Tracking

The SDT5X425-4Z4-FA-0832 features smart tracking capabilities that automatically follow moving targets, keeping them within the monitoring screen. The system's flexible design allows for the configuration of tracking parameters for humans, motor vehicles, and non-motor vehicles, either individually or in combination. When detection rules such as tripwire or intrusion are triggered, the camera immediately initiates tracking of the detected targets. This automated tracking significantly reduces the workload on security personnel and ensures continuous monitoring of potential threats or points of interest.

Perimeter Protection

To enhance the accuracy of perimeter surveillance, the camera employs advanced algorithms to filter out false alarms caused by environmental factors such as animals, rustling leaves, or bright lights. During target detection, the system performs secondary recognition to improve alarm accuracy. This intelligent filtering minimizes unnecessary alerts, allowing security teams to focus on genuine threats and respond more effectively to potential breaches or incidents along protected perimeters.

Interoperability

Compliance with ONVIF (Open Network Video Interface Forum) specifications ensures that the Dahua SDT5X425-4Z4-FA-0832 can interoperate with network video products from various manufacturers. This standardization facilitates seamless integration into existing security infrastructures, regardless of the original equipment vendor. The camera's adherence to ONVIF promotes flexibility in system design and scalability, allowing organizations to build robust surveillance solutions that incorporate diverse components while maintaining compatibility and functionality.

Technical Specifications

Camera Overview

Model: Dahua SDT5X425-4Z4-FA-0832
Type: 4MP Starlight IR WizMind Network Dual-PTZ Camera
Dual PTZ System: Dual vari-focal lens
Image Sensor: 1/1.8" 4Megapixel CMOS (both panorama and detail)
Optical Zoom: Panorama 4×, Detail 25×
Starlight Technology: Yes
Maximum Frame Rate: 25/30 fps@4M
AI Features: Deep-learning-based auto tracking and perimeter protection
Power Supply: Hi-PoE
Video Compression: H.265 Encoding
Environmental Protection: IP67 rating

Image Sensor and Resolution

Panorama Camera: 1/1.8" CMOS, 4 MP, 2688 (H) × 1520 (V)
Detail Camera: 1/1.8" CMOS, 4 MP, 2688 (H) × 1520 (V)
ROM: 8 GB
RAM: 4 GB
Electronic Shutter Speed: 1 s–1/30,000 s (both panorama and detail)
Scanning System: Progressive

Illumination and Lens

Minimum Illumination: 0.001 lux@F1.6 (color), 0.0001 lux@F1.6 (B/W) for both cameras; 0 lux with IR light on
Illumination Distance: Panorama (white light): 30 m (98.43 ft); Detail (IR light): 100 m (328.08 ft)
Illuminator Control: Zoom Prio; Manual; Auto; Off (both panorama and detail)
Illuminator Number: Panorama: 4 white lights; Detail: 4 IR lights
Lens Specifications:
- Panorama: Focal Length 8 mm–32 mm, Max. Aperture F1.6, Field of View H: 42°–15°; V: 23°–8°; D: 49°–17°
- Detail: Focal Length 5.4 mm–135 mm, Max. Aperture F1.6–F4.0, Field of View H: 58°–3.5°; V: 35°–2°; D: 64°–4°
Optical Zoom: Panorama: 4×; Detail: 25×
Focus Control: Auto; Semi-Auto; Manual
Close Focus Distance: Panorama: 2.5 m–6 m (8.20 ft–19.69 ft); Detail: 0.5 m–7 m (1.64 ft–22.97 ft)
Iris Control: Panorama: Auto; Detail: Auto
DORI Distance:
- Detect: Panorama: 400 m (1,312.34 ft); Detail: 1,724 m (5,656.17 ft)
- Observe: Panorama: 159.9 m (524.61 ft); Detail: 690 m (2,263.78 ft)
- Recognize: Panorama: 79.9 m (262.14 ft); Detail: 345 m (1,131.89 ft)
- Identify: Panorama: 39.8 m (130.58 ft); Detail: 172 m (564.30 ft)

PTZ Specifications

Pan/Tilt Range:
- Panorama: Pan: 0° to 360° endless; Tilt: 0° to 30°
- Detail: Pan: 0° to 305°; Tilt: –10° to 90°
Manual Control Speed:
- Panorama: Pan: 0.1°/s–100°/s; Tilt: 0.1°/s–25°/s
- Detail: Pan: 0.1°/s–400°/s; Tilt: 0.1°/s–200°/s
Preset Speed:
- Panorama: Pan: 100°/s; Tilt: 50°/s
- Detail: Pan: 360°/s; Tilt: 200°/s
Preset: 300
Tour: 8 (up to 32 presets per tour)
Scan: 5
Power-off Memory: Yes
Idle Motion: Preset; Scan; Tour
PTZ Protocol: DH-SD, Pelco-P/D (auto recognition)

Intelligence and Video Features

Video Metadata: Supports human body, human face, motor vehicle, and non-motor vehicle image capture and attribute extraction
IVS (Perimeter Protection): Tripwire; intrusion; climbing fences; loitering detection; abandoned/missing object; fast moving; parking detection; people gathering; vehicle/human alarm classification
Face Recognition: Yes
Video Compression: H.265; H.264B; H.264; H.264H; MJPEG; smart H.265+; smart H.264+
Streaming Capability: 3 streams
Resolution:
- Panorama: 4M (2688 × 1520); 4M (2560 × 1440); 1080p (1920 × 1080); 960p (1280 × 960); 720p (1280 × 720); D1 (704 × 576); VGA (640 × 480); CIF (352 × 288)
- Detail: 4M (2688 × 1520); 4M (2560 × 1440); 1080p (1920 × 1080); 960p (1280 × 960); 720p (1280 × 720); D1 (704 × 576); VGA (640× 480); CIF (352 × 288)
Video Frame Rate:
- Panoramic: Main stream: 4M/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/CIF (1–25/30 fps)
- Detail: Main stream: 4M/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/CIF (1–25/30 fps)
Bit Rate Control: CBR; VBR
Video Bit Rate: H.264: 512 Kbps–13056 Kbps; H.265: 204 Kbps–7936 Kbps
Day/Night: Auto (ICR) for both panorama and detail
BLC: Yes
WDR: 120 dB (both panorama and detail)
HLC: Yes
White Balance: Multiple settings including auto, indoor, outdoor, tracking, manual, sodium lamp, natural light, street lamp (both panorama and detail)
Gain Control: Auto; Manual
Noise Reduction: 2D NR; 3D NR
Motion Detection: Yes
Region of Interest (RoI): Yes
Defog: Electronic
Digital Zoom: 16×
Image Rotation: 180°
S/N Ratio: ≥ 55 dB (both panorama and detail)

Audio Features

Audio Compression: PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729
Two-way Audio: Yes
Audio Input: 1 channel (LINE IN, bare wire)
Audio Output: 1 channel (LINE OUT, bare wire)

Network and Storage

Network Port: RJ-45 (10/100 Base-T)
Network Protocol: Extensive support including TCP, FTP, RTMP, IPv6, IPv4, DNS, RTCP, PPPoE, NTP, RTP, 802.1x, HTTPS, SNMP, DDNS, UPnP, ICMP, UDP, IGMP, HTTP, DHCP, SMTP, SNMP v1/v2c/v3 (MIB-2), QoS, RTSP, ARP
Interoperability: CGI; ONVIF Profile S&G&T; GB/T28181
Streaming Method: Unicast; Multicast
User/Host: 20 (total bandwidth: 64 M)
Storage: FTP; Micro SD card (512 GB)
Browser Compatibility: IE9 and later, Chrome 41 and later, Firefox 50 and later, Safari 10 and later
Management Software: DSS; NVR; Smart PSS
Mobile Client: iOS; Android

Power and Environmental Specifications

Power Supply: 36 VDC, 2.23 A (± 25%); Hi-PoE
Power Consumption: Basic: 21 W; Max.: 40 W (PTZ, zoom, focus, IR light, white light, and smart plan enabled)
Operating Temperature: –40 °C to +65 °C (–40 °F to +149 °F)
Operating Humidity: ≤ 95% (RH)
Protection: IP67; TVS 8000 V lightning protection; surge protection; voltage transient protection

Physical Specifications

Product Dimensions: 385 mm × Φ277 mm (15.16" × Φ10.91")
Net Weight: 9 kg (19.84 lb)
Gross Weight: 13.8 kg (30.42 lb)

Procurement

The Dahua SDT5X425-4Z4-FA-0832 represents a significant advancement in surveillance technology, combining cutting-edge AI capabilities with robust performance and reliability. Its dual PTZ system, face recognition, Starlight+ Technology, and comprehensive metadata extraction make it an ideal solution for a wide range of security applications. Whether deployed in high-security environments, smart cities, or commercial settings, this camera delivers exceptional value through its innovative features and adaptability.

For organizations seeking to enhance their surveillance capabilities with this state-of-the-art camera, CCTV-MALL stands as a trusted partner in procurement. CCTV-MALL specializes in providing high-quality Dahua products and services globally, backed by a team of experts dedicated to understanding and meeting your specific security needs. Their commitment to customer satisfaction and technical excellence ensures that you receive not just a product, but a comprehensive solution tailored to your requirements. Visit CCTV-MALL today to explore how the Dahua SDT5X425-4Z4-FA-0832 can transform your security infrastructure and deliver the peace of mind that comes with advanced, reliable surveillance technology.