SKU: 40857551909

Dahua 4 Channel NVR4104HS-P-AI/ANZ Compact 1U 1HDD 4PoE WizSense NVR

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Description

Dahua 4 Channel NVR4104HS-P-AI/ANZ Compact 1U 1HDD 4PoE WizSense NVRSystem Main Processor Industrial grade processor Operating System Embedded Linux Operating Interface Web, Local GUI AI AI by Recorder Face detection; face recognition; perimeter protection; and SMD AI by Camera Face detection; face recognition; perimeter protection; SMD; ANPR; people counting; stereo analysis; heat map Perimeter Protection Perimeter Performance AI by Recorder (Number of Channels) 2 channels, 10 IVS rules for each channel Perimeter

System

Main Processor

Industrial-grade processor

Operating System

Embedded Linux

Operating Interface

Web, Local GUI

AI

AI by Recorder

Face detection; face recognition; perimeter protection; and SMD

AI by Camera

Face detection; face recognition; perimeter protection; SMD; ANPR; people counting; stereo analysis; heat map

Perimeter Protection

Perimeter Performance AI by Recorder (Number of Channels)

2 channels, 10 IVS rules for each channel

Perimeter Performance of AI by Camera (Number of Channels)

All channels (8 targets/s)

Face Detection

Face Attributes

Gender; age group; glasses; expressions; face mask; beard

Face Detection Performance of AI by Recorder (Number of Channels)

1 channel (up to 12 face images/s each channel)

Face Detection Performance of AI by Camera (Number of Channels)

All channels (8 targets/s)

Face Recognition

Face Database Capacity

Up to 10 face databases with 20,000 images, with a total capacity of 2.5 G. Name, gender, birthday, address, credential type, credential No., countries & regions and state can be added to each face image.

Face Recognition Performance of AI by Recorder (Number of Channels)

4-channel FD (by camera) + FR (by recorder),image stream: 12 face images/s
1-channel FD (by recorder) + FR (by recorder), video stream: 12 face images/s

Face Recognition Performance of AI by Camera (Number of Channels)

All channels (8 targets/s)

SMD Plus

SMD Plus by Recorder

4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain and lighting condition change

SMD by Camera

All channels (16 targets/s)

Audio and Video

Access Channel

4 channels

Network Bandwidth

80 Mbps incoming, 80 Mbps recording and 80 Mbps outgoing

Resolution

16 MP;12 MP;8 MP;6 MP;5 MP;4 MP;3 MP;1080p;720p;960p;D1;CIF

Decoding Capability

AI disabled: 2-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 4-channel 8 MP@30 fps
AI enabled: 1-channel 16 MP@30 fps; 2-channel 12 MP@30 fps; 3-channel 8 MP@30 fps; 3-channel 6 MP@30 fps; 4-channel 5 MP@30 fps

Video Output

1 HDMI, 1 VGA
HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720
VGA: 1920 × 1080, 1280 × 1024, 1280 × 720
*Simultaneous/heterogeneous video sources output for VGA and HDMI is configurable.

Multi-screen Display

1st Screen: 1/4
2nd Screen: 1/4

Third-party Camera Access

Panasonic, Sony, Hanwha, Axis, Pelco, Arecont, ONVIF, Canon

Compression Standard

Video Compression

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

Audio Compression

G.711a; G.711u; PCM; G726

Network

Network Protocol

HTTP; HTTPS; TCP/IP; IPv4; IPv6; RTSP; UPnP; SNMP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; PPPoE; DDNS; FTP; Alarm Server; IP Search (Support Dahua IP camera, DVR, NVS, etc.); P2P; Auto Registration

Mobile Phone Access

iOS; Android

Interoperability

ONVIF 23.12(Profile T; Profile S; Profile G); CGI; SDK

Browser

Chrome; IE9 and later; Firefox

Recording Playback

Multi-channel Playback

Up to 4 channels

Record Mode

General, motion detection; intelligent; alarm

Backup Method

USB device and network

Playback Mode

Instant playback, general playback, event playback, tag playback, smart playback

Alarm

General Alarm

Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm

Anomaly Alarm

Error (no disk; disk error; low space; low quota space; abnormal disk health; network disconnection; IP conflict; MAC conflict); video loss; video tampering; camera offline; audio detection

Intelligent Alarm

Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map

Alarm Linkage

Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email

Port

Audio Input

1-channel RCA

Audio Output

1-channel RCA

Disk Interface

1 SATA port, up to 20 TB.The maximum HDD capacity varies with environment temperature.

USB

2 (1 front USB 2.0 port, 1 rear USB 2.0 port)

HDMI

1

VGA

1

Network Port

1 (10/100 Mbps Ethernet port, RJ-45)

PoE Port

4 ports, 10/100 Mbps, IEEE 802.3 af/at

General

Power Supply

53 VDC, 1.226 A

Power Consumption

< 10 W (without HDD)
Total maximum output power of PoE is 45 W, the maximum output power of a single port is 25.5 W

Net Weight

0.86 kg (1.90 lb)

Gross Weight

1.88 kg (4.14 lb)

Product Dimensions

260 mm × 232.7 mm × 47.6 mm (10.24" × 9.16" × 1.87") (W × D × H)

Packaging Dimensions

333 mm × 89 mm × 315 mm (13.11" × 3.50" × 12.40") (W × L × H)

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F)

Storage Temperature

–20 °C to +60 °C (–4 °F to +140 °F)

Operating Humidity

10%–93% (RH), non-condensing

Certifications

FCC: 47 CFR FCC Part15, SubpartB, Class A
CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014
CE-LVD: EN 62368-1:2014

Shipping Notes
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SKU: 40857551909

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4.3 ★★★★★
Based on 6 reviews
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Product Reviews
B
Verified Purchase
B Lee
Pawtucket, US
★★★★★ 5
Extremely helpful and applicable.
This week I received my copy of Tactics: A Game Plan for Discussing Your Christian Convictions by Greg Koukl. I was anxious to have a look at the book, as I have been following Greg Koukl's ministry of Stand to Reason for a number of years. On one hand, I was excited to see in book form what I have heard Koukl demonstrate so many times on his live radio program: an effective and gracious way to communicate one's faith in an articulate and winsome way. On the other hand, my familiarity with Koukl's Tactics audio program made me wonder if this was just a repackaging of the same material. I was thoroughly surprised. I'm a reader - but it's been a while since I have devoured a book. Tactics is an immediately practical book. The author's heart is that Christians be equipped to be good ambassadors. An ambassador has three skills: "knowledge, an accurately informed mind; wisdom, an artful method; and character, an attractive manner." Koukl describes the goal of a tactical approach - one that seeks to converse more persuasively by being thoughtful and reasonable, rather than emotional, about one's convictions. In a very balanced way, Koukl carefully introduces this approach and neutralizes some of the negative connotations that come with sharing and defending the faith. Some people immediately object at the idea of argumentation or "methods." However, Koukl summarizes a more biblical approach: "Here's the key principle: Without God's work, nothing else works; but with God's work, many things work. Under the influence of the Holy Spirit, love persuades. By the power of God, the gospel transforms. And with Jesus at work, arguments convince. God is happy to use each of these methods." Now Koukl dives into the meat of the book. He presents about a half dozen "tactics," as he calls them - each with a memorable name, such as, "Columbo," "Suicide," and, "Taking the Roof Off," among others. As he teaches you these tactics, Koukl's experience and mastery in this area immediately become evident. He is not a theorist presenting untested ideas. Instead, he is a veteran, discussing situation after situation gleaned from countless personal encounters, public debates, radio interviews, and friendly conversations. The phenomenal part is that these approaches are simple and the applications are immediately accessible to the reader. One particular insight Koukl shares should bring relief to those who feel fear come over them at even the thought of discussing their faith: you don't have to hit home runs. In fact, Koukl stresses that you don't even have to get on base. The goal is to leave them with something to think about. His advice: simply leave them with "a stone in their shoe." Navigating through the book, you will find gem after gem of wisdom. So many of the common objections that the Christian encounters are found here - but with answers that are actually useful in conversation. Although much of the substance is philosophical in nature, Koukl drops the jargon and replaces it with practical expressions. This is a handbook suitable for the layman and professional apologist alike. After passing the halfway point in the book, you will realize that you are not just learning how to steer safely through a conversation - you are learning how to think. Koukl will sharpen your thinking skills and your ability to spot fuzzy logic and faulty arguments. You will realize that this is a book about truth. By the time you reach the end (it's about 200 pages), you will be amazed at the amount of wisdom, insight, and courage you have gleaned. A second reading is definitely in order. Koukl's Tactics is endorsed by a long list of notable apologists and Christian thinkers: Norman Geisler, William Lane Craig, Gary Habermas, J. P. Moreland, Hank Hanegraaff, Jay Wesley Richards, David Noebel, Justin Taylor, Paul Copan, Sean McDowell, Frank Turek, and Craig Hazen. For those familiar with Koukl's Tactics audio program, many of the same personal encounters are cited. However, this is not a repackaging of old material. I found the book to be immensely helpful even after recently re-listening to Greg Koukl's Tactics in Defending the Faith audio program. In addition to the expanded and fresh material, I found the summaries at the end of each chapter to be particularly helpful. Greg Koukl's Tactics: A Game Plan for Discussing Your Christian Convictions is not designed to give you pat answers or lists of facts to bring to your conversations. Far from being "another evangelism book," Tactics is a book that will challenge you to be a critical thinker, a logical communicator, and a gracious ambassador for Jesus Christ.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2009
D
Verified Purchase
David C. Leaumont
Natrona Heights, US
★★★★★ 5
This is the all-important second-side of apologetics
Apologetics requires two sides of a person - the knowledgeable reasoning side and the compassionate, calm-but-tactical side. Both are key, whether you are a presuppositional apologist or an evidentiary apologist. Regardless of the facts you put on the forefront of your apologetic, this book helps make your conversations more fruitful, last longer, and reach more people for Christ. This book is a supreme source to help develop this second side. Greg Koukl is an apologetics professor at Biola University and has his own radio talk show where he defends the Christian worldview. He also conducts an online ministry at str dot org. (STR = stand to reason) The focus of this book is to provide easy-to-remember and usable tactics for discussing your faith and conversing with people of different viewpoints in ways to open their minds to the Christian worldview. Koukl begins with a discussion on the need to keep discussions from being trench warfare. Too many discussions about Christian apologetics are cut short by harsh arguments that do little. Christians must be all things to all people and find a way to share the faith while not scaring off those we want to have hear it. In short, Koukl writes "If anyone in the conversation gets angry, you lose." Greg's underlying principle is not to take everyone to the cross with every discussion. Some people are way too far away from belief to make such a trek in such a small amount of time. The need to help open the other person's mind to Christ and plow the field to make the ground of the heart fertile is most necessary in many people. That is why he focuses on putting a rock in everyone's shoe. What he means by this is he wants to put an idea in their head that they will likely spend a lot of time thinking about. He wants to be the rock in the shoe that noone forgets about. Through this, he plants a seed of thought in the person and leaves the rest up to God. While the intent of this book is not to give ready-made answers to specific arguments critics have, there are specific examples he discusses while he is giving examples of how a tactic might work. For example, the belief in moral relativism is discussed when he discusses the tactic of "Practical Suicide" (an argument that cannot stand because it is self-refuting.) The reviews of this book included inside the cover are a who's-who of Christian apologists. And, after reading the book, I see what they were all raving about. This book is one of the top apologetic resources I have read, and it serves as a practical guide for all discussions. I give this book my highest recommendation for anyone interested in Christian apologetics regardless of your experience or knowledge level. This book will be suc a huge blessing to all Christians and to their ability to discuss Christ more effectively.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2010
P
Verified Purchase
Phillips Family
Whiting, US
★★★★★ 5
great book
Gregory Koukl does an excellent job of equipping believers to engage in meaningful and respectful conversations with skeptics. Rather than teaching readers how to win arguments, he provides practical tools for asking thoughtful questions and fostering productive dialogue. This book not only prepares Christians to defend their faith with confidence, but it also offers valuable insights into effective communication in general. As I read, I found that it strengthened my understanding of my own beliefs and helped me think more deeply about why I believe what I do. The result is a greater confidence in sharing and discussing faith with others. I highly recommend this book to anyone who wants to become a more effective communicator and a more thoughtful ambassador for Christ.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
A
ajoe john kattoor
Battle Creek, US
★★★★★ 4
good book
Format: Kindle
Good selection of cases depicting complications and management More tips and tricks involving structural cases would have been useful Thanks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2024
I
Verified Purchase
Iesous
Lexington, US
★★★★★ 5
Foundational and renewing
Format: Kindle
Throughout history, religions have contributed to major atrocities and injustice to some. It is not unusual in my eyes to see a world sceptical of an organization that has these historical marks of shame. At the same time, I have seen religions pulling people together. Communities of believers caught up in something bigger than themselves. Living out a life of love and sacrificing for the good of those who are vulnerable. The one thing I have seen that is common among the negative experiences is that at their root, it is "men" thinking they can play God. People have had horrible experiences through "men" claiming to represent God, yet their behavior couldn't be further from what we are called to as part of our faith, hope, and belief. To those that read this, I am sorry for what you have gone through if you have fallen victim to "man's" institution of the Christian faith. God's Word should never be used as a means to justify injustice, racism, condemnation, and other bouts of un-Christian behavior and then using God's name as a crutch. I can tell you, these hypocrites will reap their just reward, and these rewards will not be what they expect. This book is a refreshing introduction into understanding the roots of faith and Christianity. It can speak as an introduction to those who have never been exposed to Christianity, lying a great foundation. It can speak to those who have fallen away due to bad experiences, allowing one to sift through the experiences exacted by the stupidity of man versus the calling that comes when confessing that YHWH is Creature and LORD. It also can renew ones mind and strengthen ones understanding of the faith they confess and what that means for exacting love into this world and not judgement. I wouldn't say that this is a conversion book, however it is written from the perspective of one, N. T. Wright, who believes and would love others to come to the same conclusion. I would say that it is more of a fresh introduction into Christianity that challenges those that confess their faith to think twice of how their lives represent their confession. With sorrow for those that have been burned by their Church experience, to those that need to take a step back and renew their understanding of the faith they profess in Christianity, and to those that are the good Samaritan of the Christian faith, this book is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2022

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