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Dahua Security System Buying Guide
Dahua · buying guide · Australia
Build the right Dahua security system.
Choose Dahua CCTV cameras, an NVR and storage around your coverage, lighting and recording needs. Compare low-light imaging, active deterrence and recording options for Australian homes and businesses.
Dahua options, explained.
Start with the job each device needs to do.
Active deterrence
TiOC and selected WizColor models add visible or audible warnings. Check the individual model for two-way audio, siren and strobe features.
Advanced search
WizMind 5 Pro cameras and NVR NEXT recorders offer different AI capabilities. Confirm the camera, recorder, firmware and supported channel limits together.
New & noteworthy Dahua products.
Selected from our current online catalogue. Open a product for exact specifications, available options and today’s price.
HDW5859H WizColor Pro
8MP turret · active deterrence
View options & current price →
HDW3849H TiOC Pro
8MP turret · WizColor & AcuPick
View options & current price →
HDW3867EM Dual Light
8MP turret · flexible night lighting
View options & current price →
TiOC Duo panoramic
8MP · 180° overview
View options & current price →
NVR NEXT 16-channel
16 PoE ports · two HDD bays
View options & current price →
KTP02-S2 intercom kit
Door station · 7-inch monitor · PoE
View options & current price →Make the right trade-offs.
5MP, 6MP or 8MP?
Compare sensor size, lens, lighting and the detail needed at your target distance. An 8MP overview is not a guarantee of readable faces or plates.
Fixed or motorised lens?
Fixed lenses suit a planned view. Motorised varifocal lenses help fine-tune framing; confirm the model’s adjustment range.
Turret, bullet or panoramic?
Choose by mounting position and scene width. Panoramic cameras cover a broad overview; use a dedicated view where identification matters.
Plan a complete Dahua system.
Recorder & PoE
Allow spare channels, check bandwidth and confirm the PoE budget—including PoE+ where required.
Recording storage
Size surveillance HDDs for camera bitrate, recording schedule and retention days. Use the calculator instead of a fixed TB estimate.
Mounts & cabling
Match junction boxes and brackets to the exact camera. Plan weatherproof terminations and cable routes.
Power & live view
Size a UPS for the connected load and required runtime. Add a suitable monitor where local live viewing is needed.
Dahua buying questions.
Do all Dahua cameras have a siren?
No. Lighting, microphones, speakers and deterrence features vary by model. Check the exact model and suffix before ordering.
Can I mix Dahua camera generations?
Many systems can combine cameras, but advanced analytics are not automatically compatible. Confirm recording resolution, bandwidth, firmware and each required AI feature.
How much HDD storage do I need?
Retention depends on total bitrate and recording time. Use the CCTV storage calculator, then confirm the recorder’s drive capacity and supported HDDs.
Can I add intercoms or alarms?
Yes, you can plan a wider Dahua setup. Intercom wiring, door-lock power and alarm compatibility need to be checked separately from the CCTV kit.
Let’s check the details together.
Send your camera positions, required features and recording needs. CCTV Guru can help confirm the equipment and compatibility for your project.
Updated 20 October 2026. Model specifications, compatibility and availability should be confirmed before ordering.