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Dahua Technology SD4A425DB-HNY reviews
Brand: Dahua Technology More Dahua Technology security cameras reviews →
Current — Availability recheck due. Last confirmed 20 Oct 2026; review by 27 Oct 2026. Checked 20 Oct 2026, 18:24 UTC
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Compare Dahua Technology SD4A425DB-HNY reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer codeDH-SD4A425DB-HNY
The product, explained
About the Dahua Technology SD4A425DB-HNY
Dahua Technology DH-SD4A425DB-HNY is listed in the security cameras category. The recorded specifications include type: IP security camera; placement supported: Indoor & outdoor; maximum resolution: 3860 x 2160 pixels; night vision: Yes. This entry covers manufacturer code DH-SD4A425DB-HNY. Specifications relate to this exact source record; other editions or packages may differ.
The specified power source is DC, PoE. Check installation needs, network compatibility and the availability of ongoing software support before purchase. A connectivity label does not confirm a subscription, hub or accessory is included.
- Type
- IP security camera
- Placement supported
- Indoor & outdoor
- Maximum resolution
- 3860 x 2160 pixels
- Night vision
- Yes
- Night vision distance
- 100 m
- Connectivity technology
- Wired
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Expert reviews 0
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Know exactly what you’re buying
Dahua Technology SD4A425DB-HNY specifications
Manufacturer code: DH-SD4A425DB-HNY · Icecat product 114537726 · Checked 22 Sep 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Type | IP security camera |
|---|---|
| Placement supported | Indoor & outdoor |
| Maximum resolution | 3860 x 2160 pixels |
| Night vision | Yes |
| Night vision distance | 100 m |
| Connectivity technology | Wired |
| Power source type | DC, PoE |
| Water and dust resistance (IP rating) | IP66 |
More product specifications
Open a section for the details that matter to you.
Audio & listening4 details
| Audio input channels | 1.0 channels |
|---|---|
| Audio channels | 1.0 channels |
| Built-in microphone | Yes |
| Siren noise level | 55 dB |
Processor, memory & storage3 details
| Frame rate | 25 fps |
|---|---|
| Built-in HDD | No |
| Memory (RAM) | 512 MB |
Camera, image & video17 details
| Camera pan control | Yes |
|---|---|
| Camera tilt control | Yes |
| Lens viewing angle, horizontal | 51.9° |
| Lens viewing angle, vertical | 39.7° |
| Lens viewing angle, diagonal | 63.1° |
| White balance | Auto, Manual, Natural, Outdoor, Regional custom, Sodium lamp, Street lamp |
| Camera shutter type | Electronic |
| Camera shutter speed | 1 - 1/30000 s |
| Optical sensor size | 25.4 / 2.8 mm (1 / 2.8") |
| Sensor type | CMOS |
| Number of lenses | 1 |
| Focal length range | 5 - 125 mm |
| Auto focus | Yes |
| Focus | Motorized |
| Total megapixels | 4 MP |
| Video formats supported | H.264+, H.265+ |
| Number of cameras | 1 |
Printing, scanning & paper1 detail
| Progressive scan | Yes |
|---|
Connections & wireless5 details
| Ethernet LAN | Yes |
|---|---|
| Ethernet interface type | Fast Ethernet |
| Supported network protocols | ARP, Bonjour, DDNS, DHCP, DNS, FTP, HTTP, HTTPS, ICMP, IGMP, IPv4, IPv6, NFS, NTP, PPPoE, QoS, RTCP, RTMP, RTP, RTSP, SAMBA, SMTP, SNMP, SSL, TCP/ IP, UDP, UPnP, 802.1X |
| Ethernet LAN (RJ-45) ports | 1 |
| DC-in jack | Yes |
Power & battery3 details
| Power consumption (typical) | 9.5 W |
|---|---|
| Power consumption (Power over Ethernet (PoE)) | 21.5 W |
| DC output voltage | 12 |
Controls & features5 details
| Alarm input/output | Yes |
|---|---|
| Voice codecs | PCM, G.711a, G.711Mu, G.726, G.723 |
| Alarm input channels | 2 |
| Alarm output channels | 1 |
| Operating temperature (T-T) | -40 - 65 °C |
Design & dimensions5 details
| Form factor | Spherical |
|---|---|
| Mounting type | Ceiling |
| Product colour | White |
| Height | 170.4 mm |
| Weight | 2.5 kg |
Further product details25 details
| Auto-tracking | Yes |
|---|---|
| Wide Dynamic Range (WDR) | Yes |
| Day/night mode | Yes |
| Built-in light | Yes |
| Minimum illumination | 0.0005 lx |
| Tilt angle range | -5 - 90° |
| Tilt preset speed | 160 °/sec |
| Tilt manual speed | 0.1 - 160 °/sec |
| Pan range | 0 - 360° |
| Pan preset speed | 240 °/sec |
| Pan manual speed | 0.1 - 240 °/sec |
| Number of Privacy masking areas | 24 |
| Detect distance | 2500 m |
| Observe distance | 987.5 m |
| Recognize distance | 500 m |
| Identify distance | 250 m |
| LED type | IR |
| Number of illumination LEDs | 6 |
| Number of users | 20 user(s) |
| Streaming method | Multicast, Unicast |
| Live view | Yes |
| ROM capacity | 128 MB |
| Web-based management | Yes |
| Cloud-managed | Yes |
| Diameter | 17.1 cm |
Packaging & supplied accessories1 detail
| Package weight | 3.2 kg |
|---|
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
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Compare other security cameras
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Your questions, answered
Dahua Technology SD4A425DB-HNY FAQs
How many expert reviews are available for Dahua Technology SD4A425DB-HNY?
No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.
What is the COR Score for Dahua Technology SD4A425DB-HNY?
The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.
Which exact version does this page cover?
This page identifies Dahua Technology SD4A425DB-HNY using manufacturer code DH-SD4A425DB-HNY. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed type for Dahua Technology SD4A425DB-HNY?
The source specification records type as IP security camera. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed placement supported for Dahua Technology SD4A425DB-HNY?
The source specification records placement supported as Indoor & outdoor. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for Dahua Technology SD4A425DB-HNY?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
Is higher resolution always better?
No. Lens angle, lighting, placement, compression and subject distance determine whether an image is useful.
Can I view a camera remotely?
Many can, but remote access has privacy and security implications. Secure the account and use it only where needed.
Do cameras work in the dark?
Some use infrared or added lighting, with varying results. Read independent night tests for the location you plan.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
Understand your options
Security camera buying guides
Explore one topic in depth before making your shortlist.
Start with the complete buying guide →Indoor vs outdoor security camerasOutdoor cameras must handle weather, glare, temperature and secure mounting. Indoor cameras prioritise compact placement and household privacy. Using the wrong type can defeat detection or create unsafe cabling.Local vs cloud storage for security camerasCompare retention, access during outages, theft risk, recurring cost and export rather than assuming one storage location is safer.Security camera resolution and night vision: what to compareAssess identification at the required distance in day and night conditions, not resolution alone.Battery vs wired security camerasChoose between flexible placement and continuous power by modelling events, charging access and recording needs.