SKU: 13771441225

DAHUA PTZ85848-HNF-WA(Projectonly) 4MP 48x Starlight IR WizMind Network Positioning System

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Description

DAHUA PTZ85848-HNF-WA(Projectonly) 4MP 48x Starlight IR WizMind Network Positioning SystemPTZ85848 HNF WA(Project only) 4MP 48x Starlight IR WizMind Network Positioning System > 1 1. 8" 4Megapixel STARVIS CMOS > 48 optical zoom48 optical zoom, focal length range 6. 25mm ~ 300mm > Starlight technology > Max. 50 60 fps@4M > IR distance up to 400 m > H. 265 encoding > Auto Positioning Recovery > Water and dust proof for outdoor use > Auto tracking > Human detection > Perimeter protection > Face detection, face recognition Product Data Camera

PTZ85848-HNF-WA(Project only)

4MP 48x Starlight IR WizMind Network Positioning System

> 1/1.8" 4Megapixel STARVIS™ CMOS
> 48× optical zoom48× optical zoom, focal length range 6.25mm ~ 300mm
> Starlight technology
> Max. 50/60 fps@4M
> IR distance up to 400 m
> H.265 encoding
> Auto Positioning Recovery
> Water and dust proof for outdoor use
> Auto-tracking
> Human detection
> Perimeter protection
> Face detection, face recognition


Product Data

Camera

Image Sensor

1/1.8" CMOS

Pixel

4MP

Max. Resolution

2560 (H) × 1440 (V)

ROM

8GB

RAM

2GB

Electronic Shutter Speed

1/1–1/100,000s

Scanning System

Progressive

Min. Illumination

Color: [email protected]
B/W: [email protected]
0Lux (IR light on)

Illumination Distance

400 m (1312.34 ft)

Illuminator On/Off Control

Zoom Prio; Manual; Off

Illuminator Number

8 (IR)

Wiper

Yes

Lens

Focal Length

6.25 mm–300 mm

Max. Aperture

F1.4–F4.5

Field of View

H: 62.36°–1.71°; V: 36.55°–0.99°; D: 69.76°–1.97°

Optical Zoom

48x

Focus Control

Auto; semi-auto; manual

Close Focus Distance

0.5 m–2 m (1.64 ft–6.56 ft)

Iris Control

NA

DORI Distance

Detect

Observe

Recognize

Identify

6,000 m
(19,685.04 ft)

2,381 m
(7,811.68 ft)

1,200 m
(3,937.01 ft)

600 m
(1,968.50 ft)

PTZ

Pan/Tilt Range

Pan: 0° to 360° endless
Tilt: –45° to +90°

Manual Control Speed

Pan: 0.1°–160°/s; Tilt: 0.1°–60°/s

Preset Speed

Pan: 160°/s; Tilt: 60°/s

Presets

300

Tour

8 (up to 32 presets per tour)

Pattern

5

Scan

5

Power-off Memory

Yes

Idle Motion

Preset; Pattern; Tour; Scan

Protocol

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

Intelligence

Video Metadata

Support human body, human face, motor vehicle and non-motor vehicle image capture and attributes  extraction.

IVS (Perimeter Protection)

Tripwire and intrusion. Support alarm triggering by target types (human and vehicle). Support filtering false alarms caused by animals, rustling leaves, bright lights, etc

Face Recognition

Yes

Video

Compression

H.265; H.264M; H.264H; MJPEG; Smart H.265; Smart H.264

Streaming Capability

3 streams

Resolution

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

Video Frame Rate

Main stream: 4M/1080p/960p/720p (1–50/60 fps)
Sub stream 1: D1/VGA/CIF (1–25/30 fps)
Sub stream 2: 1080p/960p/720p (1–25/30 fps)

Bit Rate Control

CBR; VBR

Bit Rate

H264: 512–13056 kbps
H265: 204–7936 kbps

Day/Night

Auto (ICR)/Color/B/W

BLC

Yes

WDR

Yes

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

Defog

Optical

Digital Zoom

16x

Image Rotation

180°

Privacy Masking

Up to 24 areas can be set, with up to 8 areas in the same view

S/N Ratio

≥ 55 dB

Audio

Compression

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

Port

Analog Output

1 channel (CVBS output, BNC)

RS-485

1 (baud rate: 1200 bps–115200 bps)

Audio Input

1 channel (LINE IN, bare wire)

Audio Output

1 channel (LINE OUT, bare wire)

Two-way Audio

Yes

Alarm Input

7 (on-off value input: 0–5 VDC)

Alarm Output

2

Alarm Linkage

Capture; preset; tour; pattern; recordings on SD card; alarm digital input; client E-map; send email

Alarm Event

Motion/tampering detection; audio detection; network disconnection detection; IP conflict detection; decoder state detection; memory card state detection; memory space detection; power exception detection

Network

Ethernet

RJ-45 (10/100Base-T)

Protocol

HTTP; HTTPS; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; IPv6; 802.1x; QoS; FTP; UPnP; ICMP; SNMP; IGMP; RTP; PPPoE; RTMP; TCP

Interoperability

ONVIF Profile S&G&T; GB/T28181; CGI

Streaming Method

Unicast/Multicast

User/Host

20 (Total bandwidth 64M)

Storage

FTP; Micro SD card (512 GB); NAS

Browser

IE 7 and later versions
Chrome 45 and later versions
Firefox 52ESR and earlier versions
Safari

Management Software

Smart PSS; DSS; IVSS

Mobile Client

iOS; Android

Power

Power Supply

36 VDC, 5 A (± 25%)

Power Consumption

Basic: 22 W
Max.: 63 W (illuminator + wiper + PTZ)

Environment

Operating Temperature

-40°C to -70°C (-40°F to +158°F)

Operating Humidity

≤95% RH

Protection

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

Structure

Casing

ADC12

Product Dimensions

344.6 mm × 252.2 mm × 499.8 mm (13.57" × 9.93" × 19.68") (L × W × H)

Net Weight

15.4 kg (33.95 lb)

Gross Weight

23.7 kg (52.25 lb)

Shipping Notes
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Exchange/Return Notes
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SKU: 13771441225

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S Navin
Louisville, US
★★★★★ 5
An Essential Guide for Mastering Linux Kernel Development
Format: Paperback, Format: Paperback
Linux Kernel Programming - Second Edition: A Comprehensive and Practical Guide to Kernel Internals, Writing Modules, and Kernel Synchronization is an outstanding resource for anyone eager to understand the inner workings of the Linux kernel. Whether you're a beginner looking to get started or an experienced developer aiming to deepen your knowledge, this book delivers a well-structured and hands-on approach to kernel programming. The book starts with the fundamentals—setting up a kernel development environment, understanding kernel release nomenclature, and compiling the 6.x Linux kernel from source. As you progress, it dives into advanced topics such as kernel configuration, writing and debugging loadable kernel modules (LKMs), kernel synchronization mechanisms, memory management, CPU scheduling, and much more. Each chapter builds on practical examples, ensuring that readers not only understand the theory but also learn how to apply it in real-world scenarios. One of the book's biggest strengths is its focus on practical application. From exploring the kernel build process and bootloader configurations to working with Git for kernel development and troubleshooting system crashes using debugging tools, the book provides step-by-step guidance. The coverage of kernel synchronization techniques—including spinlocks, mutexes, and RCU—makes it an invaluable reference for those dealing with concurrent programming in the kernel space. Whether you're an aspiring kernel developer, a DevOps engineer, or a systems programmer, this book is a must-have. The clear explanations, well-structured content, and hands-on exercises make it a perfect companion for anyone wanting to go from a beginner to an expert in Linux kernel programming. Highly recommended for anyone serious about understanding and working with the Linux kernel!
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Reviewed in the United States on January 29, 2025
C
Cliente Kindle
Los Angeles, US
★★★★★ 5
Broad, detailed and comprehensible book on Linux Kernel Programming
Format: Paperback, Format: Paperback
I got on my desk a copy of "Linux Kernel Programmin (2E)" by Kaiwan N. Billimoria and will shortly mention what this book is about. It is a book that you can read cover-to-cover to have a better understanding of kernel development, but I see also how it can be used as a reference when you are going to throw C code at your compiler and build a linux kernel. There is a number of scenario why you might want to do that: - You are recompiling the kernel for a new machine that needs better support - You are going to implement a kernel module and you need some context - You are going to work on the kernel yourself While all of those use-cases for the book are technically a fit, apart from gaining some higher understanding I see the most out of it if you are going to code on the kernel itself. There you have everything that is needed. You can go back and forth between your code and the book, and still learn by doing. What mostly impressed me is the breath of the topics: the chapter about writing a config file for the kernel enlists a total of seven (7!) different strategies to get started with a configuration file for your kernel. Also a lot of side tools are mentioned to help out with kernel development and debugging. Quite some module development can be in theory done without fully understanding the details of the kernel itself, but the deeper you reach, the more you will need the details that are well discussed in the book. Memory allocation, CPU scheduling algorithms, the book does not try to save words and describe in detail and plain language most things there is to know, not sparing plenty of references to other books and articles. Also, the material is up-to-date with the latest kernel.
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Reviewed in the United States on March 8, 2024
S
Sergio Prado
Birmingham, US
★★★★★ 5
For begginers and also experienced kernel developers!
Format: Paperback
There are a few aspects about the book that I really like. One is that every chapter provides a very detailed and immersive look into a specific part of kernel development. Another interesting aspect about the book is that it is based on a very recent kernel version (6.1), which is also an LTS version that will be maintained for a few years. I am not aware of any other book about the Linux kernel based on such a recent version. The first 3 chapters of the book explains how to configure and build the Linux kernel (both natively for x86_64 and cross-compiling for AArch64). After that, chapters 4 and 5 explains all you need to know about how to write kernel modules. And starting from chapter 6, the book introduces different aspects of kernel programming in very detail, from the scheduler to memory management and synchronization. Get ready, because it is indeed a big book, with more than 800+ pages! I really think the book targets both beginners and experts. For beginners, it will be a deep dive into major kernel programming concepts (make sure you follow along the exercises proposed by the author). For experienced kernel developers, the book is really a refresher. Though I work with the Linux kernel for 15+ years, I can still learn a lot by reading the book. An old dog can always learn new tricks, right?
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Reviewed in the United States on May 30, 2024
P
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princesscoldheart
Draper, US
★★★★★ 5
Organized well. You can read it section by section. Fantastic information. Clearly presented.
I like this book better than "what to expect" because this one does a better job of what you'll ACTUALLY expect versus telling you the throngs of horrible things that could happen to you or your baby. I'd rather be informed than mentally prodded with scary information. On one hand, it's good to know what could happen, so the other books you've probably already ordered are good to skim through, but this book I recommend reading all the way through. Easy to read, you'll actually have TIME to read it because you can read the age your baby is instead of a book that's all mixed up and organized by diseases and threats. Clear photos and explanations and tips on how to make your life and baby's life easier and better. I've understood my baby's needs better because of this book. I feel really glad I got it because it was the only book that really helped my daily life with my newborn.
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Reviewed in the United States on November 21, 2013
T
Verified Purchase
thibault rosazza
Draper, US
★★★★★ 5
Useful
Format: Hardcover
Comprehensive book from 0 to 1 year. This book provide good tips and tricks on how to raise and take care of your newborn. Well designed, we come back to it time to times to get some help and support.
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Reviewed in the United States on September 18, 2025

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