Key Features
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Powerful Optical Zoom: Get incredibly close to distant subjects without losing clarity, perfect for identifying details across large areas.
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Starlight Technology: See clear, colorful video in extremely dim lighting conditions, extending your surveillance capabilities beyond daylight hours.
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Wide Dynamic Range (WDR): Capture balanced images in scenes with both very bright and very dark areas, ensuring no critical details are lost.
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3D Noise Reduction (3DNR): Experience cleaner, sharper video, especially at night, which also helps save on storage space.
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Long-Distance IR Illumination: Monitor areas up to 100 meters away in complete darkness, providing excellent night visibility.
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Flexible Pan/Tilt/Zoom Control: Remotely adjust the camera's view across a full 360 degrees horizontally and a wide vertical range for comprehensive coverage.
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All-Weather Protection (IP66): Count on reliable performance in harsh outdoor environments, protected against dust and strong jets of water.
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Coaxial Cable Transmission: Enjoy long-distance video, audio, and data transmission over a single coaxial cable, simplifying installation.
Perfect For:
- Large parking lots
- Commercial building exteriors
- Public parks and open spaces
- School campuses
- Warehouse perimeters
- Industrial facilities
Installer Tips
For optimal night vision performance, ensure no obstructions are within the 100m IR range.
The camera supports multiple output modes (TVI, CVI, CVBS, AHD); verify your recorder's compatibility and set the correct mode during installation.
Utilize the RS-485 port for PTZ control, ensuring the baud rate matches your control equipment.
Position the camera to take full advantage of its 360° endless pan and -15° to +90° tilt range for maximum coverage.
Consider using the recommended Dahua wall mount (PFB305W) or pole mount (PFA150) accessories for secure and proper installation.
Given its 12VDC power requirement, plan for a stable power source, especially for outdoor installations where temperature fluctuations are common.
Downloads
Quick-Read Specs
| Feature |
Specification |
| Resolution |
2MP (1920 x 1080) |
| Lens Options |
4.8 mm–120 mm (25x optical zoom) |
| Night Vision |
Starlight IR, up to 100 m (328.08 ft) |
| Deterrence |
None |
| AI Features |
None listed |
| Audio |
1-channel input (bare wire) |
| Storage |
No built-in microSD |
| Power |
12 VDC, 3 A |
| Weather Rating |
IP66 |
Extra Info
Starlight Technology: This camera incorporates Dahua's advanced Starlight technology, which significantly enhances low-light performance. Unlike traditional cameras that struggle in dim conditions, Starlight technology uses sophisticated image processing and optical techniques to capture clear, detailed, and even colorful video in environments with minimal illumination. This means that critical events occurring at dusk, dawn, or even under moonlight can be recorded with impressive clarity, providing valuable evidence when it matters most.
3D Noise Reduction (3DNR): Noise in video footage, especially in low-light scenarios, can obscure details and consume excessive storage space. The camera's 3DNR technology effectively addresses this by analyzing and comparing sequential frames to identify and reduce image noise. The result is a cleaner, sharper video stream with less visual clutter. This not only improves the overall image quality but also leads to more efficient use of bandwidth and a reduction in storage requirements, allowing for longer recording times.
Long Distance Transmission over Coaxial Cable: Leveraging HDCVI technology, this camera offers a significant advantage in transmission distance. It can send 2MP HD video, audio, and data signals in real-time over a single coaxial cable for up to 300 meters (or 200 meters over UTP cables) without any noticeable loss in quality. This capability dramatically simplifies wiring for large installations, reducing the need for signal boosters or complex network infrastructure, and making it a cost-effective solution for extensive surveillance setups.
Wide Dynamic Range (WDR): High-contrast lighting conditions, such as entrances with bright sunlight and dark interiors, can make it challenging for cameras to capture a balanced image. The camera's 120dB True WDR technology overcomes this by simultaneously optimizing both the bright and dark areas of a scene. This ensures that details are visible in heavily shadowed areas as well as brightly lit ones, providing a more comprehensive and accurate representation of the surveillance environment.
PFA Technology: PFA technology is a Dahua innovation focused on improving the camera's auto-focusing capabilities, especially during zooming operations. It uses advanced algorithms to predict and adjust the focus direction and distance more accurately and quickly. This results in consistently clear images, even when rapidly zooming in or out, and significantly reduces the time it takes for the camera to achieve sharp focus. For dynamic surveillance needs, this means less blur and more immediate clarity, enhancing the overall user experience.
Robust Protection Features: Designed for resilience, the DH-SD49225DB-HC boasts an IP66 rating, meaning it's fully protected against dust ingress and high-pressure water jets, making it suitable for demanding outdoor environments. Furthermore, it includes TVS 6000V lightning proof, surge protection, and voltage transient protection. These features safeguard the camera against electrical surges and lightning strikes, ensuring long-term reliability and reducing the risk of damage in volatile weather conditions.
Q&A
Can this camera record in color at night? Yes, thanks to its Starlight technology, this camera can produce clear, colorful video in extremely low-light conditions, often beyond what standard cameras can achieve.
Does this camera have a built-in speaker or microphone? It has a 1-channel audio input (bare wire), which means you can connect an external microphone, but it does not have a built-in speaker for two-way audio.
Can the infrared (IR) lights be disabled? Yes, the illuminator on/off control allows for manual control or can be set to "Zoom Prio," which adjusts IR illumination based on the zoom level.
Is this camera compatible with network video recorders (NVRs) from other brands? This is an HDCVI camera. While it offers multiple output modes (TVI, CVI, CVBS, AHD), its primary compatibility is with HDCVI DVRs. Compatibility with other brand NVRs would depend on their ability to accept these analog signals, often requiring a transcoder.
How long can the camera record if there is no built-in storage? This camera does not have an onboard microSD card slot. To record video, it must be connected to a compatible Digital Video Recorder (DVR) or XVR. Recording duration will then depend on the DVR's storage capacity and recording settings.
What's the main difference between this model and a "Pro" version of a PTZ camera? The "Pro" versions often include advanced AI features like Smart Motion Detection (SMD), perimeter protection, auto-tracking, and potentially more robust build quality or specialized functionalities. This model focuses on core PTZ capabilities, powerful optical zoom, and excellent low-light performance.
Will the alarm output automatically trigger if motion is detected? The alarm output can be linked to various events, including alarm input. While the camera itself doesn't have built-in motion detection as an AI feature, if integrated with a DVR/XVR that supports intelligent motion detection, or if an external alarm input triggers, the alarm output can be configured to activate linked actions like tour or preset activation.
What is the "DORI Distance" and how does it help me? DORI stands for Detect, Observe, Recognize, and Identify. It's a standardized system (EN-62676-4) that provides estimated distances at which a person viewing the video can perform these tasks. It helps you understand the practical range of the camera for different surveillance objectives, allowing you to plan camera placement effectively.
