Product Overview
Wide-area outdoor monitoring that demands both long-range zoom and intelligent target following calls for a different tool than a standard fixed camera. The Hikvision DS-2DE4A425IWG-E is a 4MP PTZ camera built for exactly that scenario, combining a 25x optical zoom lens with auto-tracking functionality to follow human or vehicle targets across large open sites. Featuring Powered-by-DarkFighter technology, it delivers colour imaging down to 0.005 Lux and black-and-white down to 0.001 Lux, with 50m IR as a fallback in complete darkness. The 4.8mm to 120mm varifocal lens provides a horizontal field of view ranging from 53.3 degrees at wide-end down to 2.6 degrees fully zoomed, making it capable of reading detail at extended distances. Human and vehicle detection using deep learning helps filter event triggers to reduce irrelevant alerts in active outdoor environments. IP66-rated housing and 120 dB WDR support operation in exposed locations with variable lighting conditions.
Key Capabilities
Auto Tracking
When a smart event such as intrusion detection is triggered, the DS-2DE4A425IWG-E automatically pans, tilts, and zooms to follow the detected subject. This removes the need for a dedicated operator to manually control the PTZ during an active incident, keeping the target in frame across large outdoor areas.
25x Optical Zoom
A focal range of 4.8mm to 120mm with a fast zoom speed of approximately 3.4 seconds lets this camera shift from a wide overview to a tight close-up without significant delay. Optical zoom preserves image resolution at distance in a way that digital zoom alone cannot achieve on a fixed camera.
DarkFighter Low-Light Imaging
The 1/2.8″ Progressive Scan CMOS sensor with DarkFighter technology achieves colour capture at 0.005 Lux (F1.6, AGC on) and monochrome at 0.001 Lux, meaning the camera can produce usable footage in near-darkness before switching to IR mode entirely.
Human and Vehicle Detection
Deep learning-based classification distinguishes between human and vehicle targets, allowing event rules to be configured around specific target types. This reduces triggers caused by environmental movement such as foliage or shadows in outdoor perimeter zones.
50m IR Night Vision
An 850nm infrared array provides 0 Lux illumination up to 50m when ambient light is insufficient for the sensor alone. Smart supplemental IR lighting with adjustable control helps manage IR reflection when the camera is pointed at close objects after zooming in.
120 dB WDR and Image Processing
120 dB Wide Dynamic Range, combined with BLC, HLC, 3D DNR, and region focus and exposure controls, allows the camera to handle difficult contrast conditions such as car headlights against a dark background or bright entrances adjacent to shadowed zones.
Best For
- Large Car Parks and Forecourts: The 25x optical zoom and auto-tracking allow a single camera to survey wide areas and lock onto moving vehicles or pedestrians without requiring manual PTZ operator control.
- Industrial and Commercial Perimeters: IP66-rated housing combined with human and vehicle detection supports reliable perimeter monitoring at warehouses, logistics yards, and fenced facilities with mixed traffic activity.
- Public Open Spaces: The wide horizontal field of view at 53.3 degrees zoomed out provides broad situational awareness across plazas and open pedestrian zones, with the ability to zoom in on specific activity using smart event triggers.
- Critical Infrastructure Sites: Sites requiring active incident response benefit from the camera’s intrusion detection linked to auto-tracking, enabling continuous subject following from the moment a zone breach is detected.
Why Choose the DS-2DE4A425IWG-E
A fixed camera at 4MP covers one angle at one focal length. The DS-2DE4A425IWG-E replaces that limitation with a full PTZ platform that spans 4.8mm to 120mm optically, tracks targets automatically once an event fires, and captures footage at 2560 x 1440 resolution across the entire zoom range. DarkFighter imaging at 0.005 Lux in colour means it is not relying solely on IR to function after dark, which matters when monitoring areas where IR reflection from surfaces or short subject distance can degrade image quality. Human and vehicle detection reduces noise in high-activity outdoor environments where motion-only triggers would generate excessive alerts. Compared to a PTZ camera without deep learning detection, the DS-2DE4A425IWG-E offers a more targeted event response. Available through Security Wholesalers, this model suits commercial, industrial, and infrastructure applications where coverage range and intelligent tracking justify the investment over a fixed-lens alternative.
Buyer Decision Tips
IR Range vs Zoom Range: The DS-2DE4A425IWG-E has 50m IR, but at 25x zoom the camera can optically frame subjects well beyond that distance. In those situations the camera depends on available ambient light and DarkFighter sensitivity rather than IR illumination. If the primary use case involves tracking subjects at 80m or more in complete darkness, consider whether supplemental lighting in the monitored zone would be needed to support the zoom capability at night.
Network and PoE Requirements: PTZ cameras typically draw more power than fixed cameras due to motors and IR. Confirm that your PoE switch or injector can supply adequate power at the cable run length planned for this unit. If running cable beyond standard PoE distances, a midspan injector or direct power supply may be needed to maintain stable operation of the pan, tilt, zoom, and IR functions simultaneously.
Key Features & Technical Specifications
| Image Sensor |
1/2.8″ Progressive Scan CMOS |
| Max Resolution |
2560 x 1440 (4MP) |
| Frame Rate |
Up to 30 fps |
| Min Illumination (Colour) |
0.005 Lux @ F1.6, AGC ON |
| Min Illumination (B/W) |
0.001 Lux |
| Min Illumination (IR) |
0 Lux with IR |
| Shutter Speed |
1/1 s to 1/30,000 s |
| Day/Night |
IR Cut Filter |
| Optical Zoom |
25x (zoom speed approx. 3.4 s) |
| Digital Zoom |
16x |
| Focal Length |
4.8 mm to 120 mm, F1.6 |
| Field of View |
H: 53.3 degrees to 2.6 degrees, V: 30.6 degrees to 1.5 degrees, D: 60.5 degrees to 3 degrees |
| Focus Control |
Auto, Semi-Auto, Manual |
| IR Range |
Up to 50 m (850 nm) |
| WDR |
120 dB |
| Image Processing |
BLC, HLC, 3D DNR, Region Focus, Region Exposure |
| Smart Detection |
Human and vehicle classification, motion detection, intrusion detection |
| Auto Tracking |
Smart event-triggered PTZ target tracking |
| Weather Rating |
IP66 |
| Low-Light Technology |
Powered-by-DarkFighter |
Ideal Use Cases
Multi-Level Car Parks
A single DS-2DE4A425IWG-E positioned at a high vantage point can monitor entry lanes, parking rows, and pedestrian zones. Human and vehicle detection enables the camera to trigger auto-tracking when activity is detected in designated areas, reducing the number of cameras required to cover the same footprint.
Warehouse and Logistics Yards
Loading docks and goods yards involve vehicle movements at irregular hours. The 25x optical zoom allows detailed capture of vehicle registration areas and loading bay activity, while DarkFighter and 50m IR maintain visibility during night-shift operations without needing supplemental flood lighting.
Perimeter Fence Lines
Intrusion detection configured on defined fence zones can trigger the PTZ to automatically follow a person who breaches the perimeter. IP66-rated housing supports continuous outdoor exposure in exposed fence-line positions where the camera faces uncontrolled weather conditions.
Open Public Spaces
Town squares, transit hubs, and open pedestrian precincts benefit from the wide 53.3-degree horizontal field of view at the wide end for situational overview, with the ability to zoom in optically on specific activity without image quality loss, all within a single camera installation.
Critical Infrastructure Monitoring
Utilities, communications facilities, and data centres require active event response rather than passive recording. Auto-tracking linked to intrusion detection ensures that once a zone breach is detected, the camera continues to document the subject’s movement through the facility rather than returning to a preset position.
Choosing the Right Model
- Choose this model if: Your site requires a single camera to cover a wide outdoor area with the ability to zoom in on distant subjects optically, follow targets automatically after a smart event trigger, and maintain usable footage in low-light conditions using DarkFighter technology rather than relying solely on IR.
- Choose a different model if: Your requirement is a fixed single-angle view of a doorway, lane, or specific narrow zone where a varifocal fixed camera would deliver equivalent or better image quality at a lower cost, without the added complexity of PTZ calibration, preset configuration, and motor maintenance over time.
- Choose a different model if: The primary monitoring distance in complete darkness exceeds 50m and there is no ambient lighting in the area. A PTZ with a longer IR range or a fixed camera paired with external IR illuminators would be better suited to that specific condition.
FAQs
- How does auto tracking work on the DS-2DE4A425IWG-E?
Auto tracking is activated through a configured smart event such as intrusion detection. Once the event fires, the camera’s PTZ motors follow the detected human or vehicle target automatically. To enable it, configure the smart event zone, then select the Smart Tracking option under the linkage method in the camera’s interface. No separate hardware or software is required beyond the camera’s built-in firmware.
- What does 25x optical zoom mean in practical terms for an outdoor site?
At 25x optical zoom, the DS-2DE4A425IWG-E uses a 4.8mm to 120mm lens range to magnify distant subjects without degrading image resolution. This means the camera can capture readable detail of subjects or vehicles at considerable distances that would appear as small shapes on a fixed wide-angle camera. The optical zoom preserves the full 4MP sensor resolution across the zoom range, unlike digital zoom which simply enlarges existing pixels.
- What is the IR performance of this camera and does it cover the full zoom range?
The camera provides infrared illumination up to 50m using an 850nm IR array with smart supplemental IR control. This IR range supports the wide-angle end of the zoom well. When the camera is zoomed in significantly, the IR footprint narrows in line with the lens angle, but subjects at the zoom distance would need to be within the 50m IR range for IR to assist. Beyond that distance in complete darkness, the camera relies on DarkFighter sensitivity and any available ambient light.
- What smart detection events does the DS-2DE4A425IWG-E support?
The camera supports human and vehicle classification using deep learning, motion detection, and intrusion detection. These can be used independently or linked to auto-tracking and other response actions. Human and vehicle classification helps filter triggers in active outdoor environments where background movement from animals, vehicles, or environmental factors would otherwise generate excessive alerts from motion-only detection.
- Is the DS-2DE4A425IWG-E rated for permanent outdoor installation?
Yes. The camera carries an IP66 weather rating, which covers protection against dust ingress and sustained water exposure from any direction. This supports year-round outdoor installation in exposed positions such as poles, rooftops, and perimeter walls without requiring an additional weatherproof housing enclosure.
- What mounting accessories are compatible with this camera?
The DS-2DE4A425IWG-E is compatible with the Hikvision DS-1605ZJ wall mount bracket for standard wall installations, the DS-1280ZJ-SD11 junction box for 4-inch PTZ cameras, and the DS-1671ZJ-SD11 in-ceiling mounting bracket for suspended ceiling installations. These accessories are listed separately and allow the camera to be mounted across a range of installation configurations to suit different site layouts. Available at Security Wholesalers alongside this camera.
- How does 120 dB WDR benefit outdoor PTZ monitoring?
120 dB Wide Dynamic Range allows the DS-2DE4A425IWG-E to handle scenes with extreme contrast simultaneously, such as a vehicle headlight against a dark background or a sunlit entry gate next to a shadowed driveway. Without strong WDR, either the bright areas wash out or the dark areas lose detail. At 120 dB, the camera processes both ends of the exposure range in a single frame, which is particularly relevant for PTZ cameras that pan across varying lighting zones within a single sweep.
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Additional Information
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