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Description
Dahua 4MP Covert Pinhole WizMind camera (IPC-HUM8441-L3-S2)Productbeschrijving De Dahua IPC HUM8441 L3 S2 4MP buitenvideomodule is de ideale oplossing voor de beveiliging en bewaking van uw huis of bedrijf. De duurzame, weerbestendige behuizing maakt gebruik in elk klimaat mogelijk. Ingebouwde analyse maakt automatische videoanalyse in realtime mogelijk. Met high definition beelden ziet u elk detail, wat vooral belangrijk is voor objectidentificatie. Het apparaat is uitgerust met moderne functies zoals WDR en
Productbeschrijving
De Dahua IPC-HUM8441-L3-S2 4MP buitenvideomodule is de ideale oplossing voor de beveiliging en bewaking van uw huis of bedrijf. De duurzame, weerbestendige behuizing maakt gebruik in elk klimaat mogelijk. Ingebouwde analyse maakt automatische videoanalyse in realtime mogelijk.
Met high-definition beelden ziet u elk detail, wat vooral belangrijk is voor objectidentificatie. Het apparaat is uitgerust met moderne functies zoals WDR en IR-verlichting, wat zorgt voor een uitstekende videokwaliteit, zowel bij helder als bij weinig licht.
Specificaties
| Camera | |
| Beeldsensor | 1/2,7" CMOS |
| Maximale resolutie | 2688 (H) × 1520 (V) |
| ROM | 128 MB |
| RAM | 1 GB |
| Scansysteem | Progressief |
| Elektronische sluitertijd | Automatisch/Handmatig 1/3 s–1/100.000 s |
| Minimale verlichting | 0,002 [email protected] (Kleur, 30 IRE) 0,0002 [email protected] (Zwart-wit, 30 IRE) |
| S/N-verhouding | >56 dB |
| Lens | |
| Lenstype | Vaste focus |
| Lensvatting | M12 |
| Brandpuntsafstand | 2,8 mm |
| Maximale opening | F1.6 |
| Gezichtsveld | H: 102°; V: 54°; D: 121° |
| Iriscontrole | Vast |
| Korte scherpstelafstand | 1,1 m (3,60 ft) |
| Intelligentie | |
| IVS (Perimeterbeveiliging) | Inbraakdetectie, struikeldetectie, snelle beweging (deze drie functies ondersteunen de classificatie en nauwkeurige detectie van voertuigen en personen); detectie van rondhangen, detectie van mensenmassa's en parkeerdetectie. |
| Slimme objectdetectie | Slim achtergelaten object; slim vermist object |
| Gezichtsherkenning | Gezichtsdetectie; volgen; momentopname; optimalisatie van momentopnamen; optimale upload van gezichtsmomentopnamen; gezichtsverbetering; gezichtsbelichting; extractie van gezichtskenmerken, waaronder 6 kenmerken (geslacht, leeftijd, bril, uitdrukkingen, masker en baard) en 8 uitdrukkingen (boos, verdrietig, walgend, bang, verrast, kalm, blij, verward); gezichtsmomentopname instellen als gezicht of foto van één inch; momentopnamestrategieën (realtime momentopname, kwaliteitsprioriteit en geoptimaliseerde momentopname); gezichtshoekfilter; instelling van de optimalisatietijd |
| Slim zoeken | Werk samen met Smart NVR om intelligente zoekopdrachten, gebeurtenisextractie en het samenvoegen van gebeurtenisvideo's te verfijnen. |
| Video | |
| Videocompressie | H.265; H.264; H.264H; H.264B; MJPEG (Alleen ondersteund door de substream) |
| Slimme codec | Smart H.265+; Smart H.264+ |
| Videoframesnelheid | Hoofdstream: 2688 × 1520 @(1–25/30 fps) substream: 704 × 576 (1–25 fps)/704 × 480@(1–30 fps) derde stream: 1920 × 1080@(1–25/30 fps) *De bovenstaande waarden zijn de maximale framesnelheden van elke stream; voor meerdere streams zijn de waarden afhankelijk van de totale coderingscapaciteit. |
| Streammogelijkheid | 3 streams |
| Resolution | 4M (2688×1520); 3,6M (2056×1440); 3M (2304×1296); 1080p (1920 × 1080); 1,3M (1280×960); 720p (1280 × 720); D1 (704×576/704×480); VGA (640 × 480); CIF (352 × 288/352 × 240) |
| Bitrateregeling | CBR/VBR |
| Videobitsnelheid | H.264: 3 kbps–20480 kbps; H.265: 3 kbps–20480 kbps |
| Dag/Nacht | Kleur/Zwart-wit |
| BLC | Ja |
| HLC | Ja |
| WDR | 120 dB |
| Scène-zelfaanpassing (SSA) | Ja |
| Witbalans | Automatisch; natuurlijk; straatlantaarn; buiten; handmatig; regionaal gebruik |
| Verkrijg controle | Automatisch; Handmatig |
| Geluidsreductie | 3D NR |
| Bewegingsdetectie | AAN/UIT (4 zones, rechthoekig) |
| Regio van interesse (ROI) | Ja (4 gebieden) |
| Ontwasemen | Ja |
| Beeldrotatie | 0°/90°/180°/270° (Ondersteuning voor 90°/270° bij een resolutie van 2688×1520 en lager) |
| Spiegel | Ja |
| Privacymaskering | 8 gebieden |
| Audio | |
| Audiocompressie | G.711a; G.711Mu; PCM; G.726; G.723; PCM |
| Alarm | |
| Alarmgebeurtenis | Geen SD-kaart; SD-kaart vol; SD-kaartfout; netwerkonderbreking; IP-conflict; illegale toegang; bewegingsdetectie; videomanipulatie; virtuele detectiedraad; inbraak; snel bewegend; achtergelaten object; vermist object; detectie van rondhangen; mensenmassa; parkeerdetectie; scèneverandering; audiodetectie; spanningsdetectie; extern alarm; gezichtsherkenning; beveiligingsuitzondering |
| Alarmgebeurtenis | Geen SD-kaart; SD-kaart vol; SD-kaartfout; netwerkonderbreking; IP-conflict; illegale toegang; bewegingsdetectie; videomanipulatie; virtuele detectiedraad; inbraak; snel bewegend; achtergelaten object; vermist object; detectie van rondhangen; mensenmassa; parkeerdetectie; scèneverandering; audiodetectie; spanningsdetectie; extern alarm; gezichtsherkenning; beveiligingsuitzondering |
| Netwerk | |
| Netwerkpoort | RJ-45 (10/100 Base-T) |
| SDK en API | Ja |
| Cyberbeveiliging | Videoversleuteling; Firmwareversleuteling; Configuratieversleuteling; Digest; WSSE; Accountvergrendeling; Beveiligingslogboeken; IP-/MAC-filtering; Genereren en importeren van X.509-certificering; syslog; HTTPS; 802.1x; Vertrouwd opstarten; Vertrouwde uitvoering; Vertrouwde upgrade |
| Netwerkprotocol | IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA; PPPoE; SNMP |
| Interoperabiliteit | ONVIF (Profile S/Profile G/Profile T); CGI; P2P; Milestone; Genetec |
| Gebruiker/Host | 20 (Totale bandbreedte: 64 M) |
| Opslag | FTP; SFTP; Micro SD-kaart (ondersteuning tot maximaal 256 GB); NAS |
| Browser | IE Chrome Firefox |
| Beheersoftware | Slimme PSS; DSS; DMSS |
| Mobiele client | iOS; Android |
| Certificering | |
| Certificeringen | CE-LVD: EN62368-1; CE-EMC: Richtlijn elektromagnetische compatibiliteit 2014/30/EU; FCC: 47 CFR FCC Deel 15, Subdeel B |
| Port | |
| Audio-ingang | 1 kanaal (3,5 mm JACK-aansluiting) |
| Audio-uitgang | 1 kanaal (3,5 mm JACK-aansluiting) |
| Alarmingang | 2 kanalen in: 5mA 3V–5V DC |
| Alarmuitgang | 2 uitgangen: max. 1000 mA 30 VDC / max. 500 mA 50 VAC |
| Stroom | |
| Voeding | 12 VDC/PoE (802.3af) |
| Dubbele stroomback-up | Als de voedingsadapter en PoE tegelijkertijd stroom leveren, koppel dan een van beide los. Het apparaat blijft werken, maar zal niet opnieuw opstarten. |
| Stroomverbruik | Basis: 2,6 W (12 VDC); 3,7 W (PoE) Max. (Intelligentie + WDR): 3,9 W (12 VDC); 5,4 W (PoE) |
| Omgeving | |
| Bedrijfstemperatuur | –40 °C tot +60 °C (–40 °F tot +140 °F) |
| Bedrijfsvochtigheid | ≤95% |
| Bewaartemperatuur | –40 °C tot +60 °C (–40 °F tot +140 °F) |
| Bescherming | IP67 (L3) |
| Structuur | |
| Behuizing | Metaal |
| Productafmetingen | E1: 110 mm × 83 mm × 24 mm (4,33" × 3,27" × 0,94") L3: Ф30,5 mm × 55,4 mm (Ф1,20" × 2,18") |
| Nettogewicht | 554 g (1,22 lb) |
| Brutogewicht | 724 g (1,60 lb) |
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Exchange/Return Notes
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4.6 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
An important book to read, and whose concepts MUSTbe put into practice
Format: Kindle
As an admirer of the work that Dan Sullivan and Benjamin Hardy have done individually, I was sure that a collaboration, two “whos” getting together, would be a good hit. And a good it it is!
The issue with these kind of books is what happens immediately after one has finished reading them.
The issue is to put things into practice, and change the way we do things.
This requires thinking, and thinking is hard, and in most cases we do NOT dedicate time to thinking, so the concepts slide into the past, and no change happens.
Time for me, and everyone, to change this default state.
This review is just the start of a written reflection, a “thinking on paper” exercise, like my friend and great thinker Jean Moroney calls it.
For me, it’s time to shift to my journal.
For you, dear readers, it’s time to get this book and read it. Make Dan and Ben your “whos”. Now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2021
★★★★★ 5
A must read
Format: Kindle
Every entrepreneur should read this book at the beginning of their journey. “Who Not How”, provides valuable insight needed to allow you to grow your business.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
★★★★★ 5
If you’re a solo, Who Not How is a must-read
Format: Kindle
If you’re starting out as a solo, whether you’re a writer a lawyer a consultant, or whatever, Who Not How may be the most important book you can read if you want to have both a successful business and a successful life. Here’s why I think that’s true.
Most people who go solo don’t start their business with bales of venture capital. Instead, we fund those first lean weeks or years with credit cards, second mortgages, and the forbearance of our friends. We’re lean by necessity.
Naturally, in the beginning, we do just about everything ourselves. That’s good and necessary, but it can create a bad habit that’s reinforced by society.
American culture lauds individual achievement. In school, we’re graded individually. The virtue of self-reliance is high on our list. The problem is that to grow and prosper we need to break that habit of “self-reliance at any price” and quit trying to do it all.
When we face a new challenge, the need for a new website, for example, we naturally ask, “how can I do this?” We spend time climbing a learning curve to get to an acceptable level of performance. Asking, “who could help me with this” or who can do this for me” can make our businesses more successful and our life more satisfying. Let me share two examples from my business.
I have a virtual assistant. Her name is Brenda, and she does a variety of administrative tasks that I used to do myself. She does them better, more consistently, and more efficiently than I would. And the fact that she does them frees me up to do the things I do best and contribute most to the success of my business.
Another example. For years I did my bookkeeping. I learned bookkeeping for the first job I got after I left the Marines. I did OK with a paper-based system. But I decided that I wanted to take advantage of what technology had made possible, so I bought QuickBooks. First, I tried to master it. The bookkeeping part wasn’t a problem. But learning about and implementing the automated functions of the program frustrated me.
When I realized what was happening, I engaged a QuickBooks consultant to help me set the program up and review my books every quarter. The result: I used to spend frustrating hours not getting things quite right. Now, I spend about 15 minutes a day and an hour at the end of the month on my accounting.
Both Brenda and my QuickBooks consultant do things that I’m capable of. But they do them better, and, because they do them, I have more time and bandwidth to spend on coaching people as they write their books. That’s what I’m good at and what I get paid for. And using others for those tasks frees up time for me to spend on recreation, recovery, and relationships. Those things make life sweet.
If you’re a solo, that’s why you should buy Who Not How, read it, and put it to work. I suggest you buy the audio version, even if you also buy a print or ebook version. The audio version has some interviews with Dan Sullivan that don’t appear in the other versions. They will add value to your experience.
In a Nutshell
If you’re a solo, buy Who Not How: The Formula to Achieve Bigger Goals Through Accelerating Teamwork by Dan Sullivan and Benjamin Hardy Then read it and put the book’s lessons to work.
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Reviewed in the United States on January 25, 2022
★★★★★ 5
A soulful journey that blends adventure with spiritual wisdom
This book is part travelogue, part spiritual quest, and it kept me intrigued from start to finish. Paulo Coelho takes you along on his pilgrimage through Spain’s Camino de Santiago, sharing not only the physical challenges of the journey but also the inner lessons about faith, discipline, and self-discovery.
The writing is simple yet thought-provoking, with moments that feel both mystical and deeply human. I found myself pausing often to reflect on his insights, this isn’t a quick read but one to savor slowly.
The paperback is a nice, portable size with clear print, making it easy to take along or mark favorite passages. For anyone interested in spiritual growth, adventure, or reflective storytelling, this book feels both timeless and inspiring.
Pro Tip: Keep a journal nearby, so many passages spark personal reflection that you’ll want to write down your own thoughts as you read.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
sad moments, and other different mood changes throughout the ...
Format: Paperback
Throughout the story, characters gave me some outside thoughts that a normal book would not, they brought suspense, sad moments, and other different mood changes throughout the book that make this such a good book. Paulo is on a road for a change in life, with Petrus with him, they explore the road to Copenstela that include different feelings while they were on the road. Paulo is on a trip to find his sword but instead he realizes the trip isn't all about the sword, he is on a trip to finding the sword and along the way he rungs into life changing moments that make him forget about the sword and think more of what time of person he is.
There was rarely any weaknesses throughout the book due to the fact that it always had my attention. Unlike other books that just catch people's attention in some chapters, these chapters have suspense, sad moments and epic moments throughout the book not only In some chapters. Chapters were not to long but also were not too short, different characters made huge impacts on the story leading the book to have more than one main character. I found this book to be very easy to word, there really wasn't any words I did not understand or also there was no sentences that I did not understand, I was able to read the book smoothly chapter by chapter leaving the whole book a positive outcome because I understood what was going on. The characters were some times against each other and in some chapters they worked together, this is a book that I know other people may be able to understand unlike other books that have some words or sentences that are sometimes hard to understand.
I highly recommend this book, after reading this book it left me with a great experience giving me a positive look at the author of this book. This book gave different characters the lead on the chapters, it always had my attention and had some twist and turns that I would not be able to find in just any book. In my opinion, this book had rarely any negative points, this reading was always a time I was looking forward to on spending my time on, I know I can go to this author whenever I would like to read a good book that can catch my attention and I know what would be going on.
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Reviewed in the United States on October 13, 2015