Vendor: Dahua

Dahua DH-IPC-HDW3666EMP-S-AUS 6MP WizSense Turret Camera 2.8mm, SMD 4.0, 30m IR, Built-in Mic

SKU: DH-IPC-HDW3666EMP-S-AUS
Description

- 6MP Starlight: 3072x2048 @25/30fps on an F1.4 lens — colour images down to 0.005 lux.
- SMD 4.0 + AI SSA: classifies humans and vehicles, filters out animals, headlights, rain and moving foliage.
- 30m IR night vision with twin IR LEDs, plus built-in microphone for audio evidence.
- PoE powered — drops straight into a 4, 8 or 16 channel Dahua NVR.

6MP Ultra HD 30m IR Night Vision IP67 Weatherproof Human/Vehicle Detection Built-in Microphone
Regular price $131.25 AUD Sale price $131.25 AUD Regular price $200.00 AUD
Sale 34.38% $68.75 AUD (34.38%)

inc GST + 3 Year Warranty & Support
Free shipping over AUD300

In stock
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Bundle total: $131.25
3-Year Warranty

3-Year Warranty

Warranty on all cameras

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30-Day Returns

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5-10 Day Delivery Australia-wide

§ 01Overview

What this product is

Lens: 2.8mm.
Color options: White or Black.
Note: Please indicate your choice in your order message.

The DH-IPC-HDW3666EMP-S-AUS sits in Dahua's WizSense 3 Series — the step up from basic motion-detection cameras, one tier below the premium 5 Series. You get the AI features that matter day-to-day (human and vehicle classification, tripwire, intrusion zones) without paying for analytics most homes never use.

The 2.8mm fixed lens covers 97° horizontally — wide enough to take in a double driveway or a front entry in one view. Identification range is the trade-off: faces are reliably identifiable within about 6 metres. If you need to put a name to a face at 10 metres or more, a longer-lens camera is the better tool — this one is built for close-range coverage.

Most buyers run this camera as part of a 4, 8 or 16 channel NVR system — it powers over PoE straight from the recorder, and the metal IP67 housing is rated from -40°C to +60°C, under-eave summer heat included. Use the bundle builder on this page to pair it with an NVR and hard drive in one order.

§ 02Engineering

Technical specifications

- 6MP Starlight Imaging: 3072 × 2048 at 25/30fps through an F1.4 aperture — colour images down to 0.005 lux before IR is needed.
- SMD 4.0 AI Detection: classifies humans and vehicles and filters out animals, moving foliage and rain, so alerts are worth opening.
- AI SSA Scene Adaptation: automatically re-tunes the image in rain, fog, backlight and flicker — no manual adjustment after weather changes.
- 30m IR Night Vision: twin IR LEDs positioned away from the lens, which also keeps insects and spider webs from whiting out the image.
- Built-in Microphone: adds audio to the video record where conversations are part of the evidence.
- Perimeter Protection: tripwire and intrusion zones with human/vehicle classification when paired with a Dahua AI NVR.

§ 03Full datasheet

Detailed specifications

Camera & Image

Camera & Image — Dahua DH-IPC-HDW3666EMP-S-AUS 6MP WizSense Turret Camera 2.8mm, SMD 4.0, 30m IR, Built-in Mic
FeatureDetail
Image Sensor 1/2.7" CMOS
Max. Resolution 3072 (H) × 2048 (V)
ROM 128 MB
RAM 1 GB
Scanning System Progressive
Electronic Shutter Speed Auto/Manual 1/3 s–1/100,000 s
Min. Illumination 0.005 lux@F1.4 (Color, 30 IRE) | 0.0005 lux@F1.4 (B/W, 30 IRE) | 0 lux (Illuminator on)
S/N Ratio >56 dB
Day/Night Auto (ICR)/Color/B/W
BLC Yes
HLC Yes
WDR 120 dB
Scene Self-adaptation (SSA) Yes
White Balance Auto; natural; street lamp; outdoor; manual; regional custom
Gain Control Auto
Noise Reduction 3D NR
Motion Detection OFF/ON (4 areas, rectangular)
Region of Interest (RoI) Yes (4 areas)
Defog Yes
AFSA Yes
Image Rotation 0°/90°/180°/270° (support 90°/270° with 2688×1520 resolution and lower)
Mirror Yes
Privacy Masking 4 areas

§ 04Why choose this

Built for the way you actually use it

01

Turret beats bullet for night-time false alerts

Bullet cameras ring the lens with IR LEDs — they attract insects, the insects attract spiders, and webs set off alerts all night. This turret separates its twin IR LEDs from the lens, and SMD 4.0 ignores anything that isn't a person or vehicle.

02

Worth the step up from a 4MP non-AI camera

A basic camera alerts on every cat, branch and headlight sweep. SMD 4.0 classifies the target first, so the 2am notification is a person in your driveway — not rain.

03

Honest night vision: 30m IR, colour to 0.005 lux

The F1.4 aperture keeps colour video running in very low light, and twin IR LEDs cover 30 metres in full darkness. Moving subjects at night can show motion blur — if night-time face ID is your priority, add a sensor light or pick a longer lens.

04

Find footage in seconds, not hours

Paired with a Dahua AI NVR, Quick Pick and Smart Search pull every human or vehicle event out of a day of recordings in one search — no scrubbing through hours of timeline.

§ 05Where it fits

Right at home in these scenarios

01

Front entry and verandah

At 2.8mm the 97° view takes in the whole porch from a single corner mount. Faces are identifiable inside 6 metres — ideal where visitors come close to the door.

02

Double driveway

One camera covers a two-car driveway from the garage eave. SMD 4.0 tells your family's cars from street traffic, and tripwire alerts fire only when someone actually enters the property.

03

Backyard and pool fence

30m IR covers a typical suburban backyard in darkness. The IP67 metal housing is rated to +60°C, so a north-facing wall in summer is not a problem.

04

Shop counter and reception

The built-in mic adds audio to the video record — useful where conversations are part of the evidence. Check your state's audio recording rules before enabling it.

§ 06Setup

Installation & setup

01

What's in the Box

1. Dahua DH-IPC-HDW3666EMP-S-AUS Camera × 1 2. Power Connector × 1 3. Quick Start Guide × 1

02

Installation Requirements

1. Power: any 802.3af PoE NVR port or switch (4.9W typical, 8.9W max). A separate 12V DC adapter (sold separately) is only needed without PoE. 2. Network: a wired Ethernet run back to your NVR or switch — PoE carries power and video together on the same line. 3. Mounting: solid wall, ceiling or eave. The optional PFA139 junction box keeps the connection weatherproof and makes future swaps a 2-minute job.

03

App Setup

1. Download the DMSS app, create an account and scan the device QR code. 2. Enable push notifications in DMSS settings so SMD alerts reach your phone. 3. Fine-tune detection zones through the camera's web interface — it exposes more SMD settings than the NVR menu.

§ 07Questions

Frequently asked

Q.01

Is the 2.8mm lens right for my spot?

It identifies faces to about 6.4 metres and covers 97° — built for porches, entries and close driveways where people pass near the camera. For long approaches or gates 10 metres and beyond, a narrower longer lens is the better tool; wide coverage and long reach don't come in the same fixed lens.
Q.02

How many channels and what size hard drive do I need?

Count your cameras and leave room to grow: up to 4 suit a 4CH NVR, up to 8 an 8CH, beyond that a 16CH. At full 6MP quality each camera writes roughly 40GB a day recording continuously, so the 4TB drive in our kits holds about 3 weeks of continuous footage from 4 cameras — and motion-only recording stretches that several times over.
Q.03

Does this camera work with my existing Dahua NVR?

Yes — any current Dahua PoE NVR records it. SMD classification and Quick Pick search need an AI-capable model such as the DHI-NVR4104HS-P-AI/ANZ or DHI-NVR4108HS-8P-AI/ANZ used in our kits.
Q.04

Will it work with a non-Dahua NVR?

Yes — it is ONVIF conformant (Profile S, G and T) and works with Milestone and Genetec. You keep video and basic motion events; SMD classification and Quick Pick search need a Dahua AI NVR.
Q.05

Is a Dahua camera safe to use in Australia?

Dahua equipment was removed from federal government sites in 2023 as a precaution, and there is no restriction on private or business use. This camera does not need a cloud account: it records to your NVR, works fully offline, and supports HTTPS, 802.1x and firmware encryption. If you want zero outbound traffic, put the system on an isolated network — it still records locally.
Q.06

What's the field of view of the 2.8mm lens?

97° horizontal and 71° vertical (129° diagonal). That covers a standard double garage front or porch from one corner; the trade-off is that anything past about 6 metres becomes hard to identify.
Q.07

Does SMD 4.0 really reduce false alarms from animals and weather?

Yes. SMD 4.0 uses AI to distinguish humans and vehicles from small animals, tree movement and rain, and AI SSA re-tunes the image in rain, fog and backlight, so far fewer junk notifications get through than basic motion detection.
Q.08

Will this camera perform well at night for identifying faces or number plates?

It holds colour down to 0.005 lux thanks to the F1.4 aperture, and switches to 30m infrared in full darkness. Moving subjects at night can show motion blur — for identification at distance, add a sensor light or consider a longer-lens camera.
Q.09

Should I choose a WizSense camera or a TiOC camera?

Both run the same Dahua AI — human and vehicle classification, SMD 4.0 and perimeter protection. The difference is how they respond. This WizSense IR turret records quietly: colour in low light, infrared in darkness. A TiOC camera such as the HDW3649 actively intervenes — when someone enters a detection zone it switches on a warm white light to record the event in full colour, can flash red and blue strobes, sound a siren, and lets you talk through its speaker from the DMSS app. Pick TiOC where you want intruders confronted; pick this quieter turret where you just want solid evidence and alerts.
Q.10

What's the difference between the 3666, the 3649 and the 3866?

All three are Dahua 3-series WizSense turrets with the same AI features and 30m night range. The 3666 (this camera) is the quiet 6MP IR model with a microphone only. The 3649 is the 6MP TiOC: a warm light comes on to capture detected events in full colour, plus red and blue strobes, a siren and two-way talk — the deterrence pick. The 3866 is the 8MP (4K) model: it identifies faces out to about 8.8 metres versus 6.4 metres on this camera, giving noticeably more detail when zooming into footage. As a rule: 3666 for value and evidence, 3649 to deter, 3866 for maximum detail.
Q.11

Can I use this camera without an NVR?

You can — it takes a MicroSD card up to 256GB and streams to the DMSS app. Most buyers still pair it with an NVR for longer retention, all cameras in one timeline, and AI search. The SD slot is best treated as backup.
Q.12

Is PoE power sufficient or do I need a separate 12V supply?

Standard 802.3af PoE from your NVR or switch is sufficient (4.9W typical, 8.9W maximum). A separate 12V DC supply is only needed if you have no PoE port available.
Q.13

How do I update the firmware on this camera?

Through your Dahua NVR interface, or directly via the camera's web interface. Download firmware for the -AUS model specifically from Dahua's Australian support site.
Q.14

What warranty coverage applies in Australia?

The camera includes a 3-year warranty covering defects. Hard drives carry separate manufacturer warranty terms, and installation labour is not covered.

§ 08In motion

Dahua 3666 Camera Review | The Latest Version

Dahua 3666 Camera Review | The Latest Version

§ 09Bundles

Recommended packages

01

2 or 4 camera starter

Two or four of these turrets with the DHI-NVR4104HS-P-AI/ANZ 4CH NVR and a 4TB drive covers a unit, townhouse or single-storey home — available as a pre-built kit.

02

6 or 8 camera full home

Six or eight cameras on the DHI-NVR4108HS-8P-AI/ANZ 8CH NVR cover every approach to a family home, with Quick Pick AI search on every channel.

03

10 camera large property

Ten cameras on the 16CH DHI-NVR4216-16P-AI/ANZ leave six spare channels for gates, sheds or future additions on acreage and small business sites.