- Dahua WizMind 8MP@25/30 fps IP PTZ dome camera with a 1/1.8" CMOS sensor
- IR illumination up to 500 m
- 5.6–223 mm Motorized lens with 40x optical zoom
- Auto Tracking 3.0, perimeter protection, video metadata, and facial recognition
- Optical defogging and smart wiper
- Audio and alarms: 7 inputs / 2 outputs
- MicroSD slot supporting up to 256 GB
- IP67 and NEMA 4X protection
- Power supply: 36V DC or Hi-PoE
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DAHUA-5491DH-SD8A840PA-HNF-SLDahua WizMind 8MP IP PTZ dome camera with 40x optical zoom, 500 m IR, AI and anti-corrosion protection
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DAHUA-5491

Dahua WizMind 8MP IP PTZ dome camera with 40x optical zoom, 500 m IR, AI and anti-corrosion protection
DAHUA-5491
DH-SD8A840PA-HNF-SL













Main features
Specifications
Technical Specifications
- Dahua WizMind 8MP IP PTZ Dome Camera with IR Illumination and Corrosion Protection
- 8-megapixel 1/1.8" CMOS sensor
- Maximum resolution of 3840x2160
- Progressive scan
- 2 GB RAM and 8 GB ROM
- Minimum illumination of 0.005 lux in color and 0.0005 lux in B/W at F1.4
- 0 lux with IR illumination enabled
- 10 IR emitters with a range of up to 500 m
- Illumination control via zoom priority, manual, and Smart IR
- Motorized lens 5.6–223 mm
- 40x optical zoom and 16x digital zoom
- Maximum aperture of F1.4–F4.5
- Horizontal field of view: 63.9°–2.0°, vertical: 37.3°–1.1°, and diagonal: 71.2°–2.3°
- Autofocus, semi-autofocus, and manual focus
- Minimum focus distance: 0.5–2 m
- Automatic iris control
- DORI ranges: 4,400 m (detection), 1,740 m (observation), 880 m (recognition), and 400 m (identification)
Video stream
- H.264H, H.264, H.265, Smart H.264+, Smart H.265+, and MJPEG compression in secondary stream
- Stream 1: 8MP@25/30 fps (3840x2160)
- Stream 2: D1@25/30 fps (704x576 / 704x480)
- Stream 3: 1080P@25/30 fps (1920x1080)
- Additional resolutions: 4MP, 1080P, 1.3MP, 720P, and CIF
- H.264 bitrate of 512–16,384 Kbps and H.265 bitrate of 256–10,240 Kbps on the main stream
Functionalities
- Automatic day/night mode via ICR, color and black-and-white
- 120 dB WDR, BLC, and HLC
- 2D and 3D digital noise reduction
- Optical defogging
- Smart defogging
- Automatic and manual white balance with specific modes for different lighting conditions
- Automatic and manual gain control
- 180° image rotation
- Privacy masking for up to 24 zones, with a maximum of 8 simultaneous zones in the same view
- Signal-to-noise ratio of 55 dB or higher
Smart features
- Auto Tracking 3.0 for automatic target tracking
- Perimeter protection via line crossing, intrusion, fence crossing, loitering, abandoned or missing objects, rapid movement, parking, and crowd gathering
- Alarm classification between people and vehicles with linked tracking
- Video metadata for motorized vehicles, non-motorized vehicles, people, and faces
- Extraction of vehicle attributes such as license plate, color, type, make, and model
- Extraction of attributes for people, clothing, accessories, and faces
- Facial detection, tracking, capture, optimization, and recognition
- Extraction of facial attributes and recognition of facial expressions
- Up to 5 facial databases with a total capacity of 10,000 faces
- Facial comparison with configurable similarity threshold
Positioner
- Continuous horizontal movement from 0° to 360°
- Vertical movement from -30° to +90° with automatic 180° inversion
- Manual horizontal speed of 0.1°–240°/s
- Manual vertical speed: 0.1°–100°/s
- Horizontal speed between presets up to 240°/s
- Vertical speed between presets up to 120°/s
- Up to 300 presets
- DH-SD and Pelco-P/D PTZ protocols with automatic recognition
- Patrols and movement patterns linkable to alarm events
Audio
- 1 LINE IN audio input and 1 LINE OUT audio output via direct wiring
- Compression: G.711a, G.711mu, G.726, AAC, G.722.1, G.729, MPEG-2 Layer 2, and G.723
Storage
- MicroSD slot supporting up to 256 GB (card not included)
- Storage via FTP
Alarms
- 7 alarm inputs / 2 alarm outputs
- Motion, tampering, and audio event detection
- Alarms for network disconnection, IP conflict, encoder status, memory card, storage space, and power anomalies
- Event-triggered actions via snapshots, presets, patrols, patterns, SD card recording, alarm output, electronic map, and email
Communication interface
- 1 RS-485 interface with a speed of 1200–9600 bps
- 1 analog CVBS video output via BNC
Network
- RJ45 Ethernet port (10/100 Base-T)
- Protocols: HTTP, HTTPS, TCP/IP, IPv4, IPv6, RTSP, RTP, RTCP, UDP, TCP, SMTP, NTP, DHCP, DNS, DDNS, SSL, QoS, FTP, UPnP, SNMP, IGMP, RTMP, PPPoE, and other network protocols
- Compatible with ONVIF Profile S, G, and T
- CGI and SDK interfaces
- Management software: DSS, DMSS, Easy4ip, Smart PSS, and IVSS
Power
- 36V DC / 2.23 A (±25%) or Hi-PoE power supply
- Basic power consumption of 30 W
- Maximum power consumption of 48 W with IR lighting
Environmental
- Operating temperature: -40°C to +70°C
- Operating relative humidity up to 95%
- IP67 protection
- TVS protection against 6,000 V atmospheric discharges, overvoltages, and voltage transients
- Anti-corrosion coating with moderate protection level
- Suitable for environments with standard corrosion resistance requirements, including coastal areas 2 km or more from the coast and areas exposed to acid rain
Physical Characteristics
- Dimensions: 439 mm high x Ø262 mm
- Net weight: 10 kg
- Gross weight: 12 kg
Contents
- Dahua WizMind 8MP IP PTZ Dome Camera with 40X Zoom and Corrosion Protection DAHUA-5491 (DH-SD8A840PA-HNF-SL)
Certifications and Standards
- CE and FCC Certifications
- NEMA 4X certification
| REFERENCE / MODEL | DAHUA-5491 / DH-SD8A840PA-HNF-SL |
|---|---|
| Resolution | 8MP |
| Audio | 1 input / 1 output |
| IR Distance | 451-500m |
| Ingress protection | IP67 |
| Lens | Optical zoom >35X |
| Special Protection | Corrosion, Limpia (wiper) |
| Sensor | 1/1.8 CMOS |
| WDR (Backlight) | WDR (120dB) |
| Codec | H.264+, H.265+ |
| PoE | Hi-PoE |
| SD Slot | Yes |
| Colour | Grey, White |
| Installation environment | Outdoor |
| Material | Metal, Plastic |
| Alarm channels | 7 inputs / 2 outputs |
| Connectivity | IP, LAN, RS-485 |
| AI Series | WizMind |
| Intelligent functions | Abandoned objects, Autotracking, Face detection, Face recognition, Loitering detection, LPR, Perimeter protection |
| Compatibility | Onvif |
Documentation
| Language | Name | Type | Action | |
|---|---|---|---|---|
| | Image | |||
| | Image | |||
EN | | Self-generated File |