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Jonathan Pierce
5
Excellent 4K PTZ clarity with smooth movement.
SD8A840WA-HNF
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Dahua 4K IP Cameras
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SD8A840WA-HNF
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- Dahua 4K IP Cameras
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SD8A840WA-HNF Overview
SD8A840WA-HNF is a dome IP camera featuring an 8MP sensor, a fixed 4mm lens with a 90° field of view, and advanced video compression using H.265 to ensure efficient data management. Designed with EXIR low-light technology and true day/night (ICR) capability, it delivers consistent image quality in both bright and low-light environments.
SD8A840WA-HNF is ideally deployed in offices, retail environments, parking areas, government buildings, and critical infrastructure sites. The camera supports PoE connectivity, offers built-in MicroSD storage of up to 128 GB, complies with ONVIF standards, and incorporates smart detection features including motion, intrusion, line crossing, and face detection.
SD8A840WA-HNF price is is available on request. Get immediate quote.
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SD8A840WA-HNF Specifications
- Product Type
- IP Camera
- Camera Type
- Dome
- Mounting Option
- Ceiling
- Color
- Black
- Use Case
- Indoor Surveillance
- Resolution
- 8MP
- Lens Type
- Fixed
- Focal Length
- 4mm
- Field of View
- 90°
- Image Sensor
- 1/2.8" CMOS
- Frame Rate
- 30 FPS
- Infrared Range
- 30m
- Low Light Technology
- EXIR
- Day/Night Mode
- True Day/Night (ICR)
- Video Compression
- H.265
- Audio Support
- Built-in Mic
- Storage Options
- MicroSD
- Max Storage Capacity
- 128 GB
- Power Supply
- PoE
- Network Interface
- 1 x RJ-45
- Wireless Support
- No
- ONVIF Compliance
- Yes
- Smart Features
- Motion Detection / Intrusion Detection / Line Crossing / Face Detection
- Vandal Resistance
- IK08
- Weather Rating
- IP67
- Product Name
- SD8A840WA-HNF
- Height
- 3.2 inches
- Width
- 3.2 inches
- Depth
- 2.8 inches
- Weight
- 1.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SD8A840WA-HNF |  DH-IPC-HF8835FN | |
|---|---|---|
| Product Type | IP Camera | IP Camera |
| Camera Type | Dome | Dome |
| Mounting Option | Ceiling | Wall / Ceiling / Pole / Pendant / Corner / Flush / N/A |
| Color | Black | Black |
| Use Case | Indoor Surveillance | Indoor Surveillance / Outdoor Monitoring / Office / Retail |
| Resolution | 8MP | 4MP |
| Lens Type | Fixed | Varifocal |
| Focal Length | 4mm | 2.7–13.5mm |
| Field of View | 90° | Adjustable |
| Image Sensor | 1/2.8" CMOS | 1/2.8" CMOS |
| Frame Rate | 30 FPS | 30 FPS |
| Infrared Range | 30m | 30m |
| Low Light Technology | EXIR | EXIR |
| Day/Night Mode | True Day/Night (ICR) | True Day/Night (ICR) |
| Video Compression | H.265 | H.265 |
| Audio Support | Built-in Mic | Built-in Mic |
| Storage Options | MicroSD | MicroSD |
| Max Storage Capacity | 128 GB | 128 GB |
| Power Supply | PoE | PoE |
| Network Interface | 1 x RJ-45 | 1 x RJ-45 |
| Wireless Support | No | No |
| ONVIF Compliance | Yes | Yes |
| Smart Features | Motion Detection / Intrusion Detection / Line Crossing / Face Detection | Motion Detection / Intrusion Detection / Line Crossing / Face Detection |
| Vandal Resistance | IK08 | None |
| Weather Rating | IP67 | IP67 |
| Product Name | SD8A840WA-HNF | DH-IPC-HF8835FN |
| Height | 3.2 inches | 4.3 inches |
| Width | 3.2 inches | 3.2 inches |
| Depth | 2.8 inches | 3.2 inches |
| Weight | 1.5 lbs | 1.5 lbs |
Reviews & Ratings
P
Patrick Nolan
4
Reliable tracking and zoom accuracy.
S
Simon Wright
5
Strong performance in large outdoor areas.
C
Caleb Morton
5
Stable video feed under continuous use.
N
Neil Patterson
4
Professional PTZ solution.
O
Oliver Brooks
5
Consistent high end performance.
Questions & Answers
What is the image resolution of the Dahua SD8A840WA-HNF 4K IP Camera?
The Dahua SD8A840WA-HNF delivers 4K Ultra HD (3840 × 2160) resolution at up to 30 fps, ensuring crystal-clear video details.
Does the Dahua SD8A840WA-HNF support Power over Ethernet (PoE)?
Yes, the SD8A840WA-HNF supports 802.3at PoE, allowing video and power transmission over a single Ethernet cable for simplified installation.
What are the pan, tilt, and zoom capabilities of the SD8A840WA-HNF?
This PTZ camera offers 360° endless pan, +15° to –90° tilt, and 4× optical zoom, enabling comprehensive area coverage and precise targeting.
What type of lens does the Dahua SD8A840WA-HNF use?
It features a 4.7–94 mm varifocal lens, providing a 67.3°–3.9° field of view for flexible close-up or wide-angle monitoring.