Dahua DH-HAC-HDW2802TP-Z-A-DP 4K Starlight HDCVI IR Motorised Eyeball Camera

Model: DH-HAC-HDW2802T-Z-A-DP-Eyeball

Who This Is For

When running new IP infrastructure is off the table and upgrading an existing coaxial cable system to 4K is the priority, the Dahua DH-HAC-HDW2802T-Z-A-DP is a camera worth shortlisting. It is aimed squarely at installers working on analogue-to-HDCVI upgrade projects where the coax stays in the wall but the image quality needs to make a serious step forward. The motorised 2.7 mm-13.5 mm vari-focal lens with auto focus means zoom and framing can be adjusted remotely or at commissioning without physically repositioning the camera - genuinely useful on wall-mount installs above doorways, gates, or car parks where ladder access is awkward. With Starlight low-light performance down to 0.001 lux in colour, 60 m IR illumination, 120 dB WDR, a built-in microphone, and an IP67-rated metal housing, this model suits commercial and small-industrial sites that need a capable outdoor eyeball on a coaxial backbone.

What This Camera Actually Does

Who Buys This Model

• Security Installers on HDCVI Upgrade Projects: Sites with existing coaxial cable infrastructure that want 4K image quality without the cost and disruption of recabling to Cat6 for IP cameras.
• Commercial Property Managers: Offices, retail centres, and mixed-use buildings needing a higher-resolution outdoor camera that integrates directly into an existing Dahua XVR-based system.
• Small Industrial and Warehouse Operators: Loading docks, yard entrances, and perimeter walls where 60 m IR reach, IP67 weather sealing, and the ability to zoom in on a specific bay or gate without repositioning the camera mount all matter.
• Installers Working High or Difficult-Access Locations: Wall mounts above roller doors, gate posts, or external eaves where the motorised lens and remote auto focus eliminate the need to return to site to adjust framing after the camera is physically fixed.

Honest Assessment

The DH-HAC-HDW2802T-Z-A-DP does several things genuinely well. The motorised vari-focal lens with auto focus is a real-world time saver on any install where ladder access is involved, and the combination of Starlight sensitivity, 120 dB WDR, and 60 m Smart IR means this camera handles difficult lighting conditions more capably than most cameras at this form factor and price point. The IP67 metal housing and -30 °C to +60 °C operating range make it appropriate for outdoor use across Australian conditions. Audio over coax without extra cabling is a practical bonus where XVR audio evidence is needed. What it will not do: at 4K, the frame rate is capped at 15 fps, which may be a consideration for fast-moving traffic or high-speed conveyor environments where smoother motion matters. It also has no onboard AI analytics - for smart detection such as human/vehicle classification or perimeter line crossing with reduced false alarms, a network camera with AcuSense would be a better fit. Available through Security Australia as part of the Dahua HDCVI range.

Before You Buy

Quick Fit Check

• Good match if: You are upgrading an existing coaxial cable system to 4K and need a motorised vari-focal eyeball that integrates with a Dahua XVR without pulling new cable.
• Good match if: The install location is fixed and difficult to access for future adjustment - the remote motorised zoom and auto focus let you dial in framing from the recorder end after the camera is mounted.
• You may need a different model if: You are running a new IP network installation - an IP turret or dome camera with PoE will offer onboard AI analytics, higher frame rate options, and simpler single-cable deployment that this HDCVI model cannot match.

Key Features & Technical Specifications

Real-World Scenarios

How It Compares

• Choose this if: The site already has coaxial cable and the goal is upgrading to 4K image quality with a motorised lens without replacing cable infrastructure or switching to an IP system.
• You may need a different model if: You are starting a new installation from scratch - an IP eyeball or turret camera with PoE will deliver AI analytics, higher frame rates, and simpler single-cable deployment that this HDCVI model does not offer.
• Pairs well with: A Dahua HDCVI XVR with audio-over-coax support and sufficient 4K channel capacity to match the camera's output format and resolution.

Common Questions

1. Does this camera work with my existing coaxial cable and non-Dahua XVR?

   Possibly, but with limitations. The camera outputs CVI, TVI, AHD, or CVBS selectable via DIP switch on the body. TVI and AHD modes offer broad compatibility with many third-party XVRs; however, 4K output at 15 fps over TVI or AHD depends on whether your recorder supports 4K input on those protocols. Check your XVR's supported resolutions per channel before purchasing. Full feature integration - including audio over coax and remote lens control - is confirmed on Dahua XVRs.

2. Will this camera work on PoE switches or PoE NVRs?

   No. The DH-HAC-HDW2802T-Z-A-DP is an HDCVI analogue camera - it requires 12 VDC or 24 VAC power and connects via a BNC coaxial cable, not an RJ45 Ethernet port. It is not compatible with PoE switches or IP NVRs. If your system is IP-based, this camera is not the right fit.

3. How does the motorised lens adjustment actually work - do I need software or a physical controller?

   Adjustment is done via the connected XVR's on-screen menu. Through the recorder interface you can command the motorised lens to zoom in or out across the 2.7 mm-13.5 mm range; once you settle on a position, triggering auto focus sharpens the image automatically without any manual focus ring. There is no separate app or controller required - the 4-signal coaxial HDCVI system carries the control data back to the camera alongside the video and audio signals.

4. What is the practical difference between the 2.7 mm and 13.5 mm zoom positions in terms of what I can identify?

   The DORI figures spell this out directly. At 2.7 mm wide, the recognition distance is 16.7 m and identification distance is 8.3 m - workable for a doorway or tight corridor where subjects are close. At 13.5 mm, recognition extends to 37.9 m and identification to 19.0 m, suitable for a car park entry or gate approach where you need to read faces or number plates at distance. The identification figure is the key benchmark for anything requiring individual recognition in an evidentiary context. Plan the zoom position at commissioning based on the specific task and distance.

5. Does this camera have onboard AI detection like human/vehicle filtering or perimeter alerts?

   No. The DH-HAC-HDW2802T-Z-A-DP supports motion detection and privacy masking but does not have onboard AI analytics such as human/vehicle classification or intelligent perimeter line crossing. Those features are available on Dahua's IP camera range with AcuSense technology, stocked by Security Australia. If smart detection with reduced false alarms is a priority, an IP camera with AcuSense is the more suitable product type.

6. Why is the 4K frame rate only 15 fps - is that a problem?

   15 fps at 4K is a characteristic of the HDCVI protocol's bandwidth at that resolution. For most fixed-camera surveillance tasks - monitoring entries, car parks, loading docks, and retail areas - 15 fps is entirely adequate and motion will appear smooth in recorded and live footage. Where 15 fps becomes a consideration is in scenarios with fast lateral movement, such as high-speed vehicle traffic or sports environments, where smoother motion at 25 fps or higher would be preferable. If that applies to your site, dropping to 5-megapixel resolution on this camera delivers 25 fps, or an IP camera with a higher frame rate at 4K is the alternative.

7. Is the built-in microphone useful or is audio quality typically poor on HDCVI cameras?

   The audio is usable as supplementary evidence. The HDCVI system applies audio processing over the coaxial cable to restore source audio and reduce noise - the result is not broadcast quality but is sufficient to capture voices, alarms, and environmental sounds at close to medium range. The key practical point is that no separate audio cable is required; audio rides the same coax as the video. Confirm your XVR has audio-over-coax input enabled on the channel you are connecting this camera to, as not all XVR channels support this by default.

Downloads & Resources

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