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Vendor: Dahua

Dahua DH-SD4D425MB-HNR 4MP 25x Smart Dual Light PTZ

SKU: DH-SD4D425MB-HNR
Description

The DH-SD4D425MB-HNR is a 4MP 25x Smart Dual Light WizSense network PTZ camera built for wide-area, long-distance outdoor video surveillance. With powerful 25x optical zoom and precise pan-and-tilt capabilities, it covers large areas in detail, while Smart Dual Light and AI-ISP technology keep images clear and vibrant at night and in low-light conditions.

Key points
- 4MP (2560 × 1440) 1/2.8"" CMOS; 25x optical zoom, 5–125 mm, F1.6–F3.6
- Smart Dual Light: IR and warm light up to 100 m; full-colour video when a target is detected
- Starlight technology: 0.005 lux colour, 0.0005 lux B/W
- Auto tracking: PTZ pans and tilts to keep a moving target in view
- IVS perimeter protection, face detection (6 attributes, 8 expressions), SMD 4.0 and AcuPick
- 120 dB WDR, H.265+ compression
- IP67 weatherproof, TVS 6000 V lightning and surge protection
- PoE (802.3at) or 12 VDC power

Regular price $988.00 AUD Sale price $988.00 AUD
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Delivery, warranty & returns · ships same day before 2pm
  • Same-day dispatch on in-stock orders placed before 2pm, Sydney time.
  • Metro delivery: 2–4 business days. Regional areas may take longer. Free standard shipping over $300, flat $25 under.
  • 3-year warranty on cameras and recorders, back-to-base, plus your Australian Consumer Law rights.
  • 30-day returns on unopened items. Faulty on arrival? We cover return shipping.
  • Genuine Australian stock. Never grey imports. Prices include GST.
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In stock
Build your setup Build a complete CCTV system Complete setup from $1,358.00

A camera needs an NVR, a hard drive, and cabling to work. Add everything below, or pick a ready-made kit.

Select hard drive · 4TB ≈ 2-3 weeks for 4 cameras recording 24/7
Add accessories Optional. Junction box → hides & weatherproofs cable joins (best for outdoors). Brackets → only if mounting on a corner or under eaves. Cable → one per camera; skip if you already have your own.
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Bundle total: $988.00

§ 01Overview

What the DH-SD4D425MB-HNR is

The Dahua DH-SD4D425MB-HNR is a 4MP 25x Smart Dual Light WizSense network PTZ camera for long-distance outdoor video surveillance.

Its powerful 25x optical zoom and precise pan-and-tilt capabilities make it easy to cover wide areas in detail, while Smart Dual Light and AI-ISP technology keep images clear and vibrant at night and in low-light conditions.

IVS perimeter protection, face detection, SMD 4.0, AcuPick and auto tracking deliver intelligent detection and response.

§ 02Engineering

DH-SD4D425MB-HNR specifications

- 4MP Resolution: Max. 2560 × 1440 for clear imaging.
- 25x Optical Zoom: 5–125 mm motorised lens, F1.6–F3.6.
- Smart Dual Light: IR and warm light up to 100 m; full-colour video when a target is detected.
- Starlight Technology: 1/2.8" CMOS with 0.005 lux colour and 0.0005 lux B/W performance.
- Max. 25/30 fps@4MP: Smooth video capture at full resolution.
- Auto Tracking: PTZ automatically tracks a moving target to keep it in view.
- Face Detection: Supports 6 attributes and 8 expressions.
- IVS (Perimeter Protection): Tripwire, intrusion, crossing fence, loitering detection and more.
- SMD 4.0: Filters false alarms from animals and other non-target objects.
- AcuPick: Deep-learning target search across live and recorded video.
- 120 dB WDR: Clear images in high-contrast scenes.
- IP67 Weatherproof: IP67 rated with TVS 6000 V lightning and surge protection.

§ 04Why choose this

Built for the way you actually use the DH-SD4D425MB-HNR

25× Zoom in a Compact PTZ

5–125 mm motorised lens with pan 0°–360° endless and tilt –15° to +90° with auto flip 180°.

Smart Dual Light

IR and warm light both reach 100 m. Full-colour video when a target is detected; IR returns when the target leaves to reduce light pollution.

Starlight Technology

1/2.8"" CMOS with 0.005 lux colour and 0.0005 lux B/W — clear low-light imaging.

WizSense AI

SMD 4.0 human/vehicle classification, IVS perimeter protection, face detection and AcuPick smart search.

IP67 Weatherproof

Sealed against dust and rain with TVS 6000 V lightning and surge protection.

§ 05Where it fits

Right at home in these scenarios

Long-Distance Outdoor Surveillance

25x zoom and auto tracking watch large perimeters and follow a target automatically once a rule is triggered.

Car Park or Compound

Zoom in to inspect distant areas; 360° endless pan covers the full site.

Warehouse or Industrial Yard

Patrol presets and tours cover wide areas. SMD 4.0 filters false alarms from animals and moving objects.

Perimeter Protection

IVS tripwire and intrusion rules alert on defined zones, with linkage tracking when a rule is triggered.

§ 06Setup

Installation & setup

01

Power

12 VDC, 3 A ± 10% (adapter optional) or PoE (IEEE 802.3at). Power consumption: DC basic 8 W, max 20 W; PoE basic 11 W, max 23 W.

02

Mounting

Optional brackets: PFA111 mount adapter, DH-PFB300C ceiling mount, DH-PFB301S-E plane mount, DH-PFA150 pole mount, DH-PFA126 water-proof junction box, DH-PFA151 corner mount, DH-PFB303S parapet mount, DH-PFA120 junction box.

03

Weight

Net weight 2.4 kg. Use a bracket rated for the camera weight and installation environment.

04

App Setup

Manage the camera through the DMSS app (iOS/Android) or DSS Pro.

§ 08Questions

Frequently asked about the DH-SD4D425MB-HNR

Q.01

What resolution does it record?

4MP with a maximum resolution of 2560 × 1440 at up to 25/30 fps.
Q.02

How far does it see at night?

IR distance up to 100 m and warm light distance up to 100 m. Smart Dual Light switches between IR and warm light automatically.
Q.03

What power does it need?

12 VDC 3 A ± 10% (adapter optional) or PoE (IEEE 802.3at).
Q.04

Is it weatherproof?

Yes — IP67 rated, with TVS 6000 V lightning proof, surge protection and voltage transient protection.
Q.05

What intelligent functions does it support?

IVS perimeter protection (tripwire, intrusion, crossing fence, loitering detection and more), face detection, SMD 4.0, AcuPick and auto tracking.
Q.06

What is the operating temperature range?

–40 °C to +70 °C.

Buying from Smarket

Is your Hikvision, Dahua, HiLook and TP-Link VIGI stock genuine Australian stock?

Yes, 100%. Every Hikvision, Dahua, HiLook and TP-Link VIGI product we sell is a genuine Australian-market model sourced through Australian supply chains — never grey imports. That means factory-sealed units, Australian-region firmware that works with the official apps out of the box, and a full 3-year local warranty.

How long does delivery take?

Order before 2pm (Sydney time) on a business day and in-stock items are dispatched the same day. Metro delivery usually takes 2–4 business days. Regional areas may take longer. You'll receive a tracking number by email as soon as your order leaves the warehouse.

How much is shipping?

Standard shipping is free on all orders over $300 AUD, Australia-wide. Orders under $300 ship at a flat rate of $25, calculated at checkout. Tracking is included on every order.

What warranty do you offer?

All cameras, NVRs and DVRs come with a 3-year back-to-base manufacturer warranty covering defects in materials and workmanship, in addition to your rights under Australian Consumer Law. Hard drives and accessories are covered as set out in our Warranty Policy.

What is your return policy?

You have 30 days from the day you receive your order to request a change-of-mind return. Items must be unopened, factory-sealed and in resalable condition. A 15% restocking fee applies and return postage is at your cost. Faulty or incorrectly supplied items are different: we cover the return shipping and refund or replace at no charge. Read the full Return & Refund Policy.

Do you offer installation?

We can connect you with licensed installers in Sydney and Melbourne. Installation typically starts from around $200 per camera depending on cable runs and site conditions. Email sales@smarket.com.au with your address and camera count for a quote.

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§ 10Bundles

Recommended packages

01

Optional Accessories

PFA111 Mount Adapter DH-PFB300C Ceiling Mount Bracket DH-PFB301S-E Plane Mount Bracket DH-PFA150 Pole Mount Bracket DH-PFA126 Water-proof Junction Box DH-PFA151 Corner Mount Bracket DH-PFB303S Parapet Mount Bracket DH-PFA120 Junction Box"