Product SKU: DH-SD42212T-HN-S2
Product Overview
Wide-area monitoring across car parks, open yards, and large commercial sites demands more than a fixed lens, and the Dahua DH-SD42212T-HN-S2 delivers exactly the kind of flexible optical reach those environments need. This compact PTZ dome camera pairs a 12x optical zoom lens with a 1/2.8″ Sony STARVIS CMOS sensor to provide detailed 1080P coverage at 25/30fps, with the ability to shift from wide-angle overview to close-up detail in a single unit. Equipped with Intelligent Video Surveillance (IVS), it supports scene-based analytics including tripwire and intrusion detection, making it suited to perimeter monitoring and supervised entry zones. The camera carries an IP66 weather rating and IK10 vandal resistance, and supports PoE+ for a single-cable installation where a compatible PoE+ switch or injector is available. Note that this camera does not include built-in IR illumination and relies on available ambient light for night performance. An 8-week lead time from Dahua applies to this model.
Key Capabilities
12x Optical Zoom
A motorised 5.3mm to 64mm zoom range lets operators shift between broad site overviews and tight close-ups without losing resolution. This is critical for monitoring large open areas where both context and fine detail are required from a single camera position.
Sony STARVIS Low-Light Sensor
The 1/2.8″ Sony STARVIS CMOS sensor is optimised for low-light performance, capturing usable detail in dimly lit outdoor environments such as lit car parks, forecourts, and building perimeters where ambient lighting is present but not strong.
Intelligent Video Surveillance (IVS)
Built-in IVS analytics support tripwire and intrusion detection rules, enabling the camera to flag defined zone breaches automatically. This is particularly useful for monitoring entry gates, restricted areas, or perimeter fencing without constant operator attention.
PoE+ Support
With PoE+ (IEEE 802.3at) support and a 12W power draw, the camera can receive both data and power over a single Ethernet cable. This simplifies installation at locations where running a separate power feed would otherwise add cabling cost and complexity.
IP66 and IK10 Rating
A dual-rated enclosure provides full protection against dust ingress and water jets, while the IK10 impact rating guards against physical interference. This makes the camera suited to exposed outdoor mounting positions where weather and tampering are genuine concerns.
Best For
- Car Parks and Open Yards: The 12x optical zoom and pan/tilt movement allow a single camera to survey wide areas and zoom into specific vehicles or persons of interest without the need for multiple fixed cameras.
- Perimeter and Entry Point Monitoring: IVS tripwire and intrusion detection rules make this camera well suited to monitoring gates, access roads, and fence lines where defined zone alerts are needed.
- Lit Outdoor Commercial Sites: The Sony STARVIS sensor performs effectively in areas with ambient artificial lighting such as forecourts, loading docks, and externally lit building entrances.
- Installations Requiring Single-Cable Runs: PoE+ compatibility allows this camera to be powered and connected over a single Cat cable, reducing installation time and conduit requirements at sites where PoE+ infrastructure is in place.
Why Choose the DH-SD42212T-HN-S2
The DH-SD42212T-HN-S2 occupies a specific position in the PTZ market: a compact, IK10-rated outdoor dome with genuine 12x optical zoom and a Sony STARVIS sensor, at a form factor that suits tighter mounting brackets and less obtrusive installations than larger PTZ housings. Where a fixed wide-angle camera sacrifices detail for coverage, or a fixed telephoto camera sacrifices coverage for detail, this model switches between both on demand. The inclusion of IVS analytics means it is not simply a remote-view tool, it can actively alert operators to defined zone breaches in real time. PoE+ support removes the need for a separate power supply where compatible switching infrastructure exists. Installers and integrators sourcing this model through Security Wholesalers should factor the confirmed 8-week lead time from Dahua into project scheduling to avoid delays on site.
Buyer Decision Tips
No Built-In IR: The DH-SD42212T-HN-S2 does not include IR illumination. In locations where ambient lighting drops significantly at night, supplementary external lighting will be required to maintain image quality. This camera is best deployed at sites with existing lighting infrastructure such as car parks, loading areas, and externally lit building entrances, rather than at completely unlit outdoor positions.
PoE+ vs Standard PoE: This camera requires PoE+ (IEEE 802.3at, up to 30W at the switch port) due to its 12W power draw and PTZ motor load. Standard PoE (IEEE 802.3af, 15.4W budget) may not provide sufficient power for reliable PTZ operation. Confirm your switch or injector supports 802.3at before installation, or plan for a separate 12V or 24V AC power supply instead.
Key Features & Technical Specifications
| Model |
DH-SD42212T-HN-S2 |
| Image Sensor |
1/2.8″ 2MP Sony STARVIS CMOS |
| Resolution |
1080P (2MP) |
| Frame Rate |
Max. 25fps (PAL) / 30fps (NTSC) at 1080P |
| Optical Zoom |
12x |
| Focal Length |
5.3mm to 64mm (motorised) |
| Zoom Type |
Motorised optical zoom |
| Wide Dynamic Range |
Yes, greater than 120dB |
| IR Illumination |
No |
| Video Encoding |
Triple-stream encoding supported |
| Analytics |
IVS (Intelligent Video Surveillance) – tripwire, intrusion detection |
| Power Supply |
PoE+ (IEEE 802.3at) |
| Power Consumption |
12W |
| Weather Rating |
IP66 |
| Impact Rating |
IK10 |
| Lead Time |
8-week lead time from Dahua |
Ideal Use Cases
Multi-Level Car Parks
The 12x optical zoom allows a single camera to cover entry and exit lanes, while pan and tilt movement lets operators track vehicles or individuals across multiple bays. Existing overhead lighting supports the STARVIS sensor’s low-light capability in these environments.
Warehouse and Distribution Yard Perimeters
IVS intrusion detection rules can be set on fence lines and restricted loading zones, generating alerts when defined boundaries are crossed. The IP66 and IK10 housing handles the exposure and rough conditions typical of industrial yard mounting positions.
Commercial Building Entry and Exit Zones
Mounted above a main entry canopy or gate, the camera can zoom in to capture vehicle registration details or facial views at the zoom end, then pull back to a wide overview. The IK10 rating suits semi-exposed external mounting near public access points.
Lit Sports Grounds and Recreational Facilities
Where flood lighting is already in place, the STARVIS sensor captures detailed footage across large open spaces. The PTZ movement allows coverage of different zones such as oval perimeters, walkways, and car park approaches from a single elevated mounting point.
Transport Hubs and Bus Interchanges
Covered bus bays, taxi ranks, and drop-off areas typically have overhead lighting that suits this camera’s capabilities. Triple-stream encoding supports simultaneous recording, live monitoring, and remote viewing without requiring additional hardware encoding resources.
Choosing the Right Model
- Choose this model if: You need a compact outdoor PTZ dome with 12x optical zoom, IVS analytics, and PoE+ single-cable installation at a site with reliable ambient or artificial lighting, where the absence of built-in IR is not a limiting factor.
- Choose a different model if: Your installation site is unlit or poorly lit at night and there is no plan to add external lighting. In that scenario, a PTZ camera with built-in IR illumination will maintain usable image quality in darkness without requiring additional lighting infrastructure. Also consider a fixed wide-angle camera if pan/tilt coverage and optical zoom are not required and a simpler, lower-cost solution is preferred.
FAQs
- Does the DH-SD42212T-HN-S2 have built-in IR night vision?
No. The DH-SD42212T-HN-S2 does not include IR illumination. It relies on its 1/2.8″ Sony STARVIS CMOS sensor to capture detail in low-light conditions using available ambient light. For locations that go completely dark at night, supplementary external lighting will be needed to maintain image quality. This camera is best suited to sites where overhead or floodlighting is already installed.
- What PoE standard does this camera require?
The camera requires PoE+ (IEEE 802.3at), not standard PoE (IEEE 802.3af). The distinction matters because standard 802.3af switches are capped at 15.4W per port, which may be insufficient for PTZ motor load combined with the camera’s 12W draw. Confirm that your switch or midspan injector is 802.3at rated before planning a PoE-only installation. Alternatively, a local 12V or 24V AC power supply can be used.
- What does 12x optical zoom actually mean for coverage distance?
The 12x optical zoom shifts the focal length from 5.3mm (wide-angle overview) to 64mm (tight telephoto). In practical terms, at the telephoto end the camera can resolve fine detail such as vehicle number plates or facial features at distances that a fixed lens camera could not. The zoom is motorised, meaning it is controlled electronically either manually by an operator or through preset positions.
- What IVS analytics does the DH-SD42212T-HN-S2 support?
This camera includes Dahua’s Intelligent Video Surveillance (IVS) analytics, which supports tripwire detection and intrusion detection rules. These allow operators to define virtual lines or zones within the camera’s field of view and receive alerts when those boundaries are crossed. This is particularly useful for perimeter monitoring, gate surveillance, and restricted area supervision without requiring continuous manual monitoring.
- Can this PTZ camera be mounted outdoors?
Yes. The DH-SD42212T-HN-S2 carries an IP66 weather resistance rating, meaning it is fully protected against dust ingress and direct water jets. It also holds an IK10 vandal resistance rating, which indicates the housing can withstand significant impact force. These ratings make it suitable for exposed external mounting positions including poles, wall brackets, and eave corners in commercial outdoor environments.
- What is the lead time for this camera and why does it matter for project planning?
Dahua has confirmed an 8-week lead time for the DH-SD42212T-HN-S2. For integrators and installers working to a project deadline, this is a critical factor. The camera should be ordered well in advance of the scheduled installation date to avoid delays on site. The DH-SD42212T-HN-S2 is available through Security Wholesalers, and confirming stock availability at the time of order is recommended given this lead time.
Additional Information
