SKU: 78727282941

DAHUA SD5A425GB-HNR 4MP 25X Starlight IR WizSense Network PTZ Camera

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Description

DAHUA SD5A425GB-HNR 4MP 25X Starlight IR WizSense Network PTZ CameraSD5A425GB HNR 4MP 25 Starlight IR WizSense Network PTZ Camera > 1 2. 8" 4Megapixel CMOS. > Powerful 25 optical zoom. > Starlight Technology. > Max. 25 30fps@4MP. > IR distance up to 150 m. > Deep learning based perimeter protection. > Auto tracking 3. 0 and IVS. > PoE+. > IP67, IK10. > SMD 4. 0 ****** Camera Image Sensor 1 2. 8" CMOS Pixel 4 MP Max. Resolution 2560 (H) 1440 (V) ROM 4 GB RAM 1 GB Electronic Shutter Speed 1s1 30,000s Scanning System

SD5A425GB-HNR

4MP 25× Starlight IR WizSense Network PTZ Camera

> 1/2.8" 4Megapixel CMOS.

> Powerful 25× optical zoom.

> Starlight Technology.

> Max. 25/30fps@4MP.

> IR distance up to 150 m.

> Deep-learning-based perimeter protection.

> Auto-tracking 3.0 and IVS.

> PoE+.

> IP67, IK10.

> SMD 4.0


******

Camera

Image Sensor

1/2.8" CMOS

Pixel

4 MP

Max. Resolution

2560 (H) × 1440 (V)

ROM

4 GB

RAM

1 GB

Electronic Shutter Speed

1s–1/30,000s

Scanning System

Progressive

Min. Illumination

0.005 [email protected] (Color, 30 IRE);
0.0005 [email protected] (B/W, 30 IRE);
0 lux (IR light on)

Illumination Distance

150 m (492.13 ft) (IR)

Illuminator On/Off Control

Zoom Prio; Manual; Auto; Off

Illuminator Number

4 (IR)

Lens

Focal Length

5 mm–125 mm

Max. Aperture

F1.6–F3.6

Field of View

H: 51.9°–3.0°; V: 39.7°–2.2°; D: 63.1°–3.7°

Optical Zoom

25×

Focus Control

Auto; semi-auto; manual

Close Focus Distance

0.1 m–2 m (0.33 ft–6.6 ft)

Iris Control

Auto; manual

DORI Distance

Detect

Observe

Recognize

Identify

2,500 m (8202.10 ft)

987.5 m (3239.83 ft)

500 m

(1640.42 ft)

250 m (820.21 ft)

PTZ

Pan/Tilt Range

Pan: 0° to 360° endless; Tilt: –15° to +90°, auto flip 180°

Manual Control Speed

Pan: 0.1°/s–300°/s
Tilt: 0.1°/s–200°/s

Preset Speed

Pan: 400°/s; Tilt: 300°/s

Preset

300

Tour

8 (up to 32 presets per tour)

Pattern

5

Scan

5

Power-off Memory

Yes

Idle Motion

Pattern;Preset;Scan;Tour

PTZ Protocol

DH-SD Pelco-P/D (Auto recognition)

Intelligence

IVS (Perimeter Protection)

Tripwire; intrusion; crossing fence detection; loitering detection; abandoned/missing object; fast moving; parking detection; people gathering; vehicle/human alarm classification; linkage tracking

Face Detection

Supports face detection, capturing snapshots, uploading face snapshots, enhancing face images, and selecting a preferred image among a group of snapshots. Attribute extraction is also supported

Video Metadata

Detects motor and non-motor vehicles, faces and human bodies. It also performs tracking, takes snapshots, uploads high-quality face images and optimizes images. It extracts attributes from motor vehicles, detecting up to 10 attributes for them.

People Counting

Uses advanced image processing technology to extract depth information from images. The extracted information is then processed by advanced, deep learning algorithms to analyze and detect human bodies, and track targets in real time. The camera provides statistics for separate individuals' entrance and exit with up to 95% counting accuracy.

Auto Tracking

Yes

SMD

SMD 4.0

Auto Patrol

It triggers the IVS rule when a target is detected and makes the camera link with the PTZ to rotate to the position of the target and patrol based on its presets.

Acupick

Uses deep learning algorithms and works with back-end devices to accurately match targets, such as people and motor vehicles, and search through live and recorded videos to quickly locate targets.

Video

Video Compression

H.264H;H.264B;Smart H.265+;H.264;H.265;Smart H.264+;MJPEG

Streaming Capability

3 streams

Resolution

4M (2560 × 1440); 3M (2048 × 1536); 3M (2304 × 1296); 1080p (1920 × 1080); 960p (1920 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); CIF (352 × 288/352 × 240); VGA (640 × 480)

Video Frame Rate

Main stream: 4M/3M/1080p/1.3M/720p @(1–25/30 fps)
Sub stream 1: D1/CIF/VGA @ (1–25/30 fps)
Sub stream 2: 1080p/1.3M/720p @(1–25/30 fps)

Bit Rate Control

CBR/VBR

Video Bit Rate

H264: 96 kbps–14848 kbps
H265: 38 kbps–8960 kbps

Day/Night

Auto (ICR)/Color/B/W

BLC

Yes

WDR

120 dB

HLC

Yes

White Balance

Auto; indoor; outdoor; tracking; manual; sodium lamp; natural light; street lamp

Gain Control

Auto; manual

Noise Reduction

2D NR; 3D NR

Motion Detection

Yes

Region of Interest (RoI)

Yes

Image Stabilization

EIS

Defog

Electronic

Digital Zoom

16×

Image Rotation

180°

Privacy Masking

Up to 24 areas can be set, with up to 8 areas in the same view;
multiple colors available

S/N Ratio

≥55 dB

Audio

Audio Compression

PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; G723

Network

Network Port

RJ-45 (10/100 Base-T)

Network Protocol

FTP;RTMP;IPv6;Bonjour;IPv4;DNS;RTCP;PPPoE;NTP;RTP;802.1x;HTTPS;SNMP;TCP/IP;DDNS;UPnP;NFS;ICMP;UDP;IGMP;HTTP;SSL;DHCP;SMTP;Qos;RTSP;ARP

Interoperability

CGI;SDK;ONVIF (Profile S&G&T)

Streaming Method

Unicast/Multicast

User/Host

20 (total bandwidth: 64 M)

Storage

Micro SD card (512 GB); FTP/SFTP; NAS

Browser

IE 9 and later versions
Chrome 41 and later versions
Firefox 50 and later versions
Safari 10 and later versions

Management Software

DSS;DMSS;Easy4ip;Smart PSS;IVSS

Mobile Client

iOS;Android

Certification

Certifications

CE: EN55032/EN55024/EN50130-4
FCC: Part15 subpartB, ANSI C63.4-2014
UL: UL60950-1+CAN/CSA C22.2, No.60950-1

Port

Alarm Input

2 (on-off value input: 0–5 VDC)

Alarm Output

1

Audio Input

1 channel (LINE IN, bare wire)

Audio Output

1 channel (LINE OUT,bare wire)

Alarm Linkage

Capture; recording; send email; preset; tour; pattern; alarm digital output; audio

Alarm Event

Motion/tampering detection; audio detection; network disconnection detection; IP conflict detection; memory card status detection; memory space detection

Power

Power Supply

24 VDC, 2.5 A ± 25%
PoE+ (802.3at)

Power Consumption

Basic: 12 W

Max: 21 W (illuminator + PTZ + Heater + Fan)

Environment

Operating Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Operating Humidity

≤95%

Protection

IP67, IK10, TVS 6000 V lightning proof; surge protection; voltage transient protection

Structure

Product Dimensions

Φ190.0 mm × 332.0 mm (Φ7.48" × 13.07")

Net Weight

4.7 kg (10.36 lb)

Gross Weight

8.0 kg (17.64 lb)

******

Shipping Notes
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Exchange/Return Notes
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SKU: 78727282941

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4.2 ★★★★★
Based on 8 reviews
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Product Reviews
C
Verified Purchase
Cassandra Serenity
Battle Creek, US
★★★★★ 5
6 Star Immersive Read
Format: Audiobook
5 Stars (+1 with the audio for 6 stars) immersive read. Synopsis: After a brush with death and the loss of her father, Silla Nordvig has fled to the Road of Bones. A perilous journey north to safety and freedom. But the Road of Bones is a dangerous place filled with man, monster, and monsters who are men alike. After a second encounter that should have killed her, Silla decided to hide in a wagon bound North. A wagon owned by the notorious Bloodaxe Crew, a band of mercenaries on their own mission. Will she make it to Kopa in the North, to freedom and safety, or will she be hunted down by what travels the Road of Bones with her? Review: This is an INCREDIBLE read. The book is amazing and the audio made it legendary. All hail Islay Jacobs, a single narrator that put on a full cast performance! A fantastic Viking based Romantasy set in a world where magic users, Geldra, are despised, warriors fight monsters for honor and coin, and few are truly safe. An epic adventure, sizzling romance, hidden secrets, corrupted power (with quotas), unparalleled world building, found family, and not enough books out yet! There are so many good twists in this story, some caught me completely off guard which is impressive. I am normally quick with plot points and while I did pick up on several, a few had my jaw on the floor. Each character was richly crafted, the story driven by their strengths, needs, desires, fears, and flaws. I can see why so much of the world has been drawn to this story. I’m late to the party, but I can’t wait to continue in this world.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
J
Verified Purchase
Julie Mc
Pawtucket, US
★★★★★ 5
Road of Bones was just what I needed!!!
Format: Kindle
⭐️⭐️⭐️⭐️.5 from me! The Road of Bones Silla Nordvig is running for her life from the Queen’s assassin and the King’s Claws (The Klaernar) but she doesn’t know why. She and her father were attacked by warriors on the road to home where he was killed, he admitted he wasn’t her true father, but that’s about all he could say before he died in her arms. Now, Silla has joined the Bloodaxe Crew, trying to make her way north on the Road of Bones to safety. The Road of Bones by Demi Winters is a Romantasy for those who absolutely love some romance with their fantasy. It’s Vikings and warriors at their finest. I felt the book was a little bit of a slow start, although there WAS action from the first chapter. But as soon as Silla realized she had to run for her life, the action was non stop. The plot was so well done, the story just built upon itself, and we learned more and more about Silla as her memories returned and her assassin got closer. As we discovered more about Silla, we learned more about the Bloodaxe Crew. Both Silla and the Bloodaxe Crew (each member) have such great back stories. Silla is such a well fleshed out character. We see her as a simple kitchen maid who has little self-esteem, but longs for the freedom to be herself, and we grow with her into a woman that knows herself and is ready for just about anything. She goes through so much on her journey on the Road of Bones and we are there with her for every minute. We get to see her fall in love, and we see her when she goes through betrayal. The way she reacts internally shows just how much she grew throughout her journey. The supporting characters, Jonas, Ilias, Hekla, and Rey were all extremely important to Silla’s story in his or her own way, and made the book all that much more rich and layered. Jonas seemed to have become enthralled with Silla, but things happen there that cause serious trauma. Hekla is a great friend to Silla and watching that relationship flourish was simply a joy, and Silla was able to come into her own as a warrior through Hekla’s tutelage (with Rey’s help). And, Rey, we can never forget about Rey…he was terrifying to Silla in the beginning, but somewhere he turns into a pillar of strength for her and I, for one, cannot wait to see what happens with that relationship. In the end, I consider Road of Bones to be a work of art. If you are looking for a Viking Romantasy that is fun, a little dark, and absolutely heartbreaking, this should be your next read.
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Reviewed in the United States on February 12, 2026
L
Verified Purchase
Lark
Port Orchard, US
★★★★★ 3
I'm done
Format: Kindle
I survived. I made it through the book! This is a very slow book. Like... incredibly slow. I get that it's world building, but there also needs to be a sense that this world is worth caring about. The good side is that the author has lovely writing. And the audio book reader is fantastic. But the story itself is paced incredibly slowly and without the depth needed to care about the characters or world. I fell asleep a few times with the beautiful reader and lovely words... telling a story I just wasn't interested in The downside is that Silla is one of the most annoying main characters. She is weak and naive, with essentially no backstory. She's traveled all over with her father but apparently cooking and bread are her only skills. No worldliness. No experience with men or, well friends at all. Yet on the flip side she's able to learn fighting skills in a few weeks and starts outright flirting quite detailed within a few days. So is she a naive weak maiden or a hidden temptress warrior? No idea. Not sure she knows either. The other character backstories are also quite shallow. Like a few lines were written and that's all that needs to be said. But...it is lovely writing. I bought the 2nd book at the same time that I bought the first. I honestly have no desire to read the 2nd but curiosity has me wondering if it actually gets to storytelling.
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Reviewed in the United States on March 13, 2025
L
Verified Purchase
Literary Lure
Phoenix, US
★★★★★ 4
Wolves in disguise, magic, and political intrigue!
Format: Audiobook
📖 The Road of Bones by Demi Winters Rating: ⭐⭐⭐¾ (3.75/5) This book had me at "let them think us lambs, when truly, we are wolves." The Road of Bones delivers on atmosphere and world-building, though I was initially drawn in by promises of fantasy romance with a strong female lead. What I got instead was a first book that's laying serious groundwork - heavy on political intrigue and lighter on the romance than I expected. Silla Nordvig's journey along the thousand-mile Road of Bones is genuinely compelling. Fleeing after her father's murder with the queen's assassins on her tail, she's constantly testing her limits. The Viking-inspired setting feels fresh, and the magic system stands out as something I haven't seen before. When the Wolf tells her, "Careful, Sunshine. The sharp part bites," I couldn't help but smile at their developing dynamic. The pacing occasionally stumbles, but the character development keeps things moving. Silla's transformation from hunted to hunter unfolds beautifully against the backdrop of political machinations. The emotional moments hit hard, especially as she discovers her own strength in a world determined to break her. For a first book in a series, it establishes a solid foundation, though I wish the romance elements weren't quite so slow-burn. If you're looking for immediate romantic payoff, you might be disappointed, but if you enjoy watching characters and worlds unfold with patience, you'll find plenty to love here. 📦 What to Expect ✨ Epic Fantasy 💖 Slow Burn Romance 🔥 Grumpy/Sunshine Dynamic 🤯 Complex Politics & Power Struggles 💔 Deep Emotional Growth 🦴 Magical Beasts or Sentient Magic ⚔️ A Lead Who Fights for More Than Survival 📚 Book Tags Keywords: Dark Fantasy, Magic, Romance, Political Intrigue, Found Family, Survival, War Tropes: Grumpy/Sunshine, Enemies to Reluctant Allies, Found Family, Mentor/Protegé, Slow Burn, Power Couple Triggers: Slavery, Violence, War Themes, Grooming (discussed), Sexual Assault (mentioned, not shown), Emotional Abuse, PTSD 🎯 Final Thoughts If you're in it for the long haul and appreciate a fantasy that takes its time building something meaningful, The Road of Bones is worth the journey. Just know you're signing up for a series that's just beginning to show its teeth.
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Reviewed in the United States on November 8, 2025
S
Verified Purchase
SR
Omaha, US
★★★★★ 5
Good start to a series
Format: Kindle
I delayed reading the series for reasons I don’t remember. But my TBR list is huge so I thought I’d take a shot of this and I was pleasantly surprised. I didn’t think the blurb about it was anything special. But it was a very good book. It took some interesting twists and turns. I am so glad the second book is already out. Because I would not have waited patiently. Very slow burn but good storyline. 🔥🔥/5
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Reviewed in the United States on January 3, 2025

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