WizSense PTZ · 4 MP · 25× Optical Zoom · 100 m IRDahua WizSense PTZ · 4 MP 25× StarlightDahua DH-SD49425GB-HNR — 4 MP 25× Optical Zoom Pro AI Starlight Network PTZ Camera WizSense (4-Series, 100 m IR)
The Dahua DH-SD49425GB-HNR is a 4-Series WizSense network PTZ — built around a 1/2.8" CMOS Starlight sensor capturing 2688 × 1520 at 25/30 fps. The 25× optical zoom lens with auto-focus delivers a wide 60° field down to a tight 3° pull at full zoom — identification-grade reach at 80–100 m. Built-in IR reaches up to 100 m at full zoom; WDR is 120 dB; the metal housing is IP66 sealed and IK10 vandal-rated. WizSense deep-learning Pro AI runs perimeter protection, Auto Tracking 3.0 and SMD 4.0. Pan-tilt-zoom controlled via DMSS, Dahua DSS or any third-party ONVIF VMS. Built for project-grade Australian deployments — carparks, council reserves, sports fields, transport corridors, school grounds and any large open space where one PTZ replaces many fixed cameras. Backed by a 3-year Australian warranty through CCTV Guru. SKU SD49425 series.
Why Choose the Dahua SD49425GB-HNR Pro AI PTZ
25× Optical Zoom
True 25× optical zoom — identification-grade reach at 80–100 m. Wide-to-tight from a single PTZ install.
100 m Long-Range IR
Built-in IR array reaches up to 100 m at full zoom.
Auto Tracking 3.0
WizSense automatic person and vehicle tracking with pan/tilt/zoom follow.
Perimeter Protection (IVS)
Full IVS library — tripwire, intrusion, loitering, parking detection.
1/2.8" Starlight Sensor
Starlight low-light sensor — usable colour at low ambient before IR engages.
Built-in Mic + Audio I/O
Built-in microphone, audio I/O for two-way talk integration.
Important Install Note
The 25× optical zoom is best mounted high (pole or building-corner, 5–8 m above ground level) for unobstructed sight lines. Powered by High-PoE (802.3bt) or 24 VAC. Pair with a Dahua AI NVR for full Auto Tracking + IVS integration.
AI & Smart Detection
Auto Tracking 3.0
Automatic pan/tilt/zoom follow for people and vehicles.
Perimeter Protection (IVS)
Tripwire, intrusion, fast-moving, loitering, parking, people gathering.
SMD 4.0
Motion classification — humans and vehicles only.
Preset Tour
255 presets, 8 patrols, 5 tours with privacy masking.
Quick Pick & Smart Search
Event-type smart search via compatible Dahua NVRs.
Two-Way Audio
Built-in mic + audio I/O.
Technical Specifications
Camera, Sensor & Optical Zoom
| Model |
DH-SD49425GB-HNR |
| Form Factor |
Network PTZ (SD chassis) |
| Image Sensor |
1/2.8" CMOS Starlight |
| Maximum Resolution |
2688 × 1520 (4 MP) |
| Frame Rate |
4 MP @ 25/30 fps |
| WDR |
120 dB |
| Day / Night |
Auto (ICR) / Colour / B&W |
| Optical Zoom |
25× |
| Focal Length |
4.8–120 mm motorised vari-focal |
| Field of View |
H: ~60° — 3° |
| IR Illumination |
Up to 100 m |
PTZ Performance
| Pan Range |
0°–360° continuous |
| Tilt Range |
−15° to +90° (auto-flip) |
| Presets |
255 |
| Patrols |
8 |
| Tours |
5 |
Pro AI, Audio & Network
| AI Engine |
WizSense PTZ Series |
| Auto Tracking |
Auto Tracking 3.0 |
| IVS |
Tripwire · intrusion · loitering · parking (human/vehicle) |
| SMD |
SMD 4.0 |
| Built-in Mic |
Yes |
| Audio I/O |
1 in / 1 out |
| Alarm I/O |
2 in / 1 out |
| Network Port |
RJ-45 (10/100) |
| Interoperability |
ONVIF (Profile S, G, T) · CGI |
| Storage |
Micro SD up to 256 GB |
| Mobile Client |
DMSS |
Power, Environment & Build
| Power Supply |
High-PoE (802.3bt) / 24 VAC |
| Operating Temperature |
−40 °C to +60 °C |
| Protection |
IP66 · IK10 vandal |
| Casing |
Metal |
| Australian Warranty |
3 Years (via CCTV Guru) |
Recommended NVR Pairings
Frequently Asked Questions
Standard PoE?
No — High-PoE (802.3bt) or 24 VAC required.
Auto Tracking?
Auto Tracking 3.0 follows people and vehicles.
IR range?
Up to 100 m at full zoom.
Audio?
Built-in mic + audio I/O.
Third-party VMS?
Yes — ONVIF Profile S, G, T.
Mount height?
5–8 m typical.
Temperature?
−40 °C to +60 °C.
Difference vs 5-Series SD5A432GB-HNR?
SD5A has 32× zoom + 150 m IR; this 4-Series has 25× zoom + 100 m IR — smaller chassis, lower cost.
Mobile viewing?
Yes — DMSS app with PTZ control.
Downloads
Order Your Dahua SD49425GB-HNR from CCTV Guru
PTZ deployments need design input — please contact our team to discuss site, mounting and NVR sizing. 3-year Australian warranty. cctvguru.com.au/pages/contact.
