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Description
Dahua 2MP 25× Starlight IR-positioneringssysteem (PTZ1A225-HNR-GB)Productbeschrijving De Dahua PTZ1A225 HNR GB is een professionele IP positioneerder uit de WizMind serie, ontworpen voor veeleisende bewakingsomgevingen die geavanceerde kunstmatige intelligentie en een groot visueel bereik vereisen. Uitgerust met een 2MP CMOS sensor en Starlight technologie levert hij scherpe beelden, zelfs bij weinig licht, met prestaties tot 0,0005 lux en IR nachtzicht tot 150 meter. De gemotoriseerde lens van 4,8 120 mm met 25x
Productbeschrijving
De Dahua PTZ1A225-HNR-GB is een professionele IP-positioneerder uit de WizMind-serie, ontworpen voor veeleisende bewakingsomgevingen die geavanceerde kunstmatige intelligentie en een groot visueel bereik vereisen. Uitgerust met een 2MP CMOS-sensor en Starlight-technologie levert hij scherpe beelden, zelfs bij weinig licht, met prestaties tot 0,0005 lux en IR-nachtzicht tot 150 meter.
De gemotoriseerde lens van 4,8-120 mm met 25x optische zoom legt nauwkeurige details vast op grote afstanden, ideaal voor perimeterbewaking, openbare veiligheid en kritieke infrastructuur. De AI-mogelijkheden omvatten perimeterbeveiliging, gezichtsherkenning met kenmerken en uitdrukkingen, en automatische tracking van personen of voertuigen.
Hij is voorzien van slimme H.265+-compressie voor bandbreedtebesparing, tweewegaudio, twee alarmingangen en één uitgang, een MicroSD-slot voor lokale opslag en volledige connectiviteit via RJ45, PoE+ en ONVIF-compatibiliteit. Dankzij de IP67-behuizing, de ondersteuning voor extreme temperaturen en de overspanningsbeveiliging is deze geschikt voor elke kritische buiteninstallatie.
Specificaties
| Camera | |
| Beeldsensor | 1/2,8" CMOS |
| Pixel | 2 MP |
| Maximale resolutie | 1920 (H) × 1080 (V) |
| ROM | 4GB EMMC |
| RAM | 1 GB |
| Elektronische sluitertijd | 1/1 s–1/30.000 s |
| Scansysteem | Progressief |
| Minimale verlichting | Kleur: 0,005 [email protected] Zwart-wit: 0,0005 [email protected] 0 lux (IR-licht aan) |
| Verlichtingsafstand | 150 m (492,13 ft) (IR) |
| Aan/uit-regeling van de verlichting | Zoom Prior; Handmatig; Automatisch; Uit |
| Illuminator nummer | 4 (IR) |
| Lens | |
| Brandpuntsafstand | 4,8 mm–120 mm |
| Maximaal diafragma | F1.6–F3.5 |
| Gezichtsveld | H: 58,5°–2,8° V: 33,2°–1,5° D: 67,5°°–3,2° |
| Optische zoom | 25× |
| Focusregeling | Automatisch; semi-automatisch; handmatig |
| Korte scherpstelafstand | 0,1 m–1,5 m (0,33 ft–4,92 ft) |
| Irisbestrijding | Automatisch; handmatig |
| PTZ | |
| Pan/Tilt-bereik | Pan: 0° tot 360° eindeloos Kantelen: –90° tot +90°, automatisch 180° omdraaien |
| Handmatige snelheidsregeling | Pan: 0,1°/s–120°/s Kantelen: 0,1°/s–75°/s |
| Vooraf ingestelde snelheid | Pan: 160°/s Kantelen: 110°/s |
| Vooraf ingesteld | 300 |
| Tour | 8 (tot 32 presets per tour) |
| Patroon | 5 |
| Scannen | 5 |
| Uitschakelgeheugen | Ja |
| Stationaire beweging | Voorinstelling/Patroon/Tour/Scan |
| Intelligentie | |
| Videometagegevens | Detectie van motorvoertuigen, niet-motorvoertuigen, gezichten en menselijke lichamen; optimalisatie; foto's maken; snapshots van hoge kwaliteit uploaden; 12 kenmerken uit voertuigen extraheren |
| IVS (Perimeterbeveiliging) | Struikeldraad; indringing; detectie van het passeren van een hek; detectie van rondhangen; achtergelaten/vermist object; snel bewegend; parkeerdetectie; mensen verzamelen; classificatie van voertuig-/mensalarmen; koppelingstracking |
| Gezichtsdetectie | Ondersteunt gezichtsdetectie, gezichtskaders, optimalisatie, het maken van snapshots, het verbeteren van gezichtsafbeeldingen en het uploaden van hoogwaardige snapshots van gezichten. Het extraheert 6 kenmerken en 8 gezichtsuitdrukkingen uit gezichtsafbeeldingen. Gezichtsuitsnijding is ook mogelijk, waarbij u één gezicht tegelijk kunt uitsnijden en de grootte kunt aanpassen tot een foto van 2,54 cm. De ondersteunde methoden voor het maken van snapshots zijn realtime capture, optimalisatie en kwaliteit. |
| Mensen tellen | Ondersteunt tripwire voor het tellen van mensen bij in- en uitgangen, het tellen van het aantal mensen dat in een gebied verblijft en in de rij staat, en het weergeven en exporteren van rapporten op basis van de dag, week en maand |
| Automatische tracking | Ja |
| SMD | SMD 4.0 |
| Acupick | Maakt gebruik van deep learning-algoritmen en werkt met back-end-apparaten om doelen, zoals mensen en motorvoertuigen, nauwkeurig te matchen en door live- en opgenomen video's te zoeken om doelen snel te lokaliseren |
| Auto Patrol | Het activeert de IVS-regel wanneer een doelwit wordt gedetecteerd en zorgt ervoor dat de camera verbinding maakt met de PTZ om te roteren naar de positie van het doelwit en te patrouilleren op basis van de voorinstellingen. |
| Video | |
| Videocompressie | H.264H; H.264B; Smart H.265+; H.264; H.265; Smart H.264+; MJPEG (substream) |
| Streaming-mogelijkheid | 3 streams |
| Resolution | 1080p (1920 × 1080); 1,3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576); VGA (640 × 480); CIF (352 × 288) |
| Videoframesnelheid | Hoofdstream: 1080p/1.3M/720p@(1-50/60 fps) Substream 1: D1/VGA/CIF@(1-25/30 fps) Substream 2: 1080p/1,3M/720p@(1-25/30 fps) |
| Bitsnelheidsregeling | CBR/VBR |
| Videobitsnelheid | H.264: 64 kbps–10496 kbps H.265: 25 kbps–6400 kbps |
| Dag/Nacht | Auto (ICR)/Kleur/Z/W |
| BLC | Ja |
| WDR | 120 dB |
| HLC | Ja |
| Witbalans | Auto; binnen; buiten; tracking; handmatig; natriumlamp; natuurlijk licht; straatlantaarn |
| Krijg controle | Automatisch; handmatig |
| Ruisonderdrukking | 2D-ruisonderdrukking; 3D-ruisonderdrukking |
| Bewegingsdetectie | Ja |
| Regio van interesse (RoI) | Ja |
| Beeldstabilisatie | Elektronisch (EIS) |
| Ontwasemen | Elektronisch |
| Digitale zoom | 16× |
| Beeldrotatie | 180° |
| Privacymaskering | Er kunnen maximaal 24 gebieden worden ingesteld, met maximaal 8 gebieden in dezelfde weergave; meerdere kleuren beschikbaar |
| S/N-verhouding | ≥61 dB |
| Audio | |
| Audiocompressie | PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; G723 |
| Netwerk | |
| Netwerkpoort | RJ-45 (10/100 Base-T) |
| Netwerkprotocol | 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 |
| Interoperabiliteit | CGI;SDK;ONVIF (Profiel S&G&T);P2P |
| Streamingmethode | Unicast/Multicast |
| Gebruiker/Host | 20 (totale bandbreedte: 64 M) |
| Opslag | FTP/SFTP; Micro SD-kaart (512 GB); NAS |
| Browser | IE 9 en latere versies Chrome 41 en latere versies Firefox 50 en latere versies Safari 10 en latere versies |
| Beheersoftware | DMSS; DSS Pro |
| Mobiele client | iOS; Android |
| Port | |
| Audio-ingang | 1 kanaal (LINE IN, blote draad) |
| Audio-uitvoer | 1 kanaal (LINE OUT, kale draad) |
| Alarmkoppeling | Vastleggen; vooraf instellen; patroon; tour; opnemen; e-mail verzenden; alarm digitale ingang |
| Alarmgebeurtenis | Bewegings-/manipulatiedetectie; audiodetectie; detectie van verbroken netwerkverbinding; IP-conflictdetectie; detectie van de status van de geheugenkaart; detectie van geheugenruimte |
| Alarm-I/O | 2/1 |
| Audio-I/O | 1/1 |
| Stroom | |
| Voeding | 12 VDC, 4 A ± 10% PoE+ (802.3at) |
| Stroomverbruik | Basis: 16 W Max.: 24 W (verlichting) |
| Omgeving | |
| Bedrijfstemperatuur | –40 °C tot +70 °C (–40 °F tot +158 °F) |
| Bedrijfsvochtigheid | ≤95% |
| Bescherming | IP67, TVS 6000 V bliksembeveiliging; overspanningsbeveiliging; bescherming tegen spanningsstoten |
| Structuur | |
| Behuizingsmateriaal | Gegoten aluminium: ADC12, spuitafwerking |
| Productafmetingen | 161,0 mm × 135,3 mm × 291,5 mm (6,34" × 5,33" × 11,48") (L × B × H) |
| Nettogewicht | 3,6 kg (7,94 lb) |
| Brutogewicht | 6,4 kg (14,11 lb) |
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4.1 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Thought provoking
Format: Kindle
Sky Full of Elephants is a work of speculative fiction that begins with the premise that the white population of the United States has been wiped out. Starting a year after “the event” and following Charlie, a man who spent 20 years in prison due to a cowardly lie, and his resentful, biracial 19 year old daughter, who witnessed her only known family drown themselves, it is at its core a quest for identity in its many forms and how trauma can co-opt that search. In rating and reviewing this book, I’m aware that my lens as a Gen-X, cis-het, white woman, will have a differing view from others’ lived experiences. In reading other reviews, I definitely saw points that I didn’t consider, which I hope is the main point of the book. I do think, as a work of speculative fiction, that it does require the suspension of disbelief from the get go. It is a philosophical “what if” that Mr. Campbell invites the reader to consider.
Intrigued by the premise, I was drawn into the story due to Mr. Campbell’s lyrical writing style. The narrative had a rhythmical flow to it that supported the world building and characterizations. I found Charlie to be a very sympathetic character, rebuilding a life shattered by lies in a new world and confronted with the daughter he never had a chance to know. Sydney, Charlie’s daughter, was more of a struggle to empathize with. While her feelings were justified and understandable, her growth throughout the novel was erratic. As the story has an ambiguous ending, perhaps her character will continue to improve. For supporting cast, the grumpy pilot Sailor and his nonbinary child, Zu, offer a counterpoint to Charlie and Sidney’s emerging relationship. The king and queen of Alabama and the thriving town of Mobile were well fleshed out. The Walkers and Sidney’s Aunt Agatha in Orange Beach represented those who were lost in their own way, either due to clinging to their former proximity to whiteness or to the religious biases they were raised with. I found the Walkers to be the most tragic of all.
The questions of identity throughout the story are what kept be invested throughout. Are we defined by the color of our skin, our behaviors, the groups we belong to, the choices we make? Are others more valuable or worthy who don’t suffer the same things we do? Does there have to be those that are “lesser” to make us feel whole? As a trauma survivor with C-PTSD, I struggle with my own issues of identity and worthiness, and as a former Special Education teacher, I’ve been witness to that struggle in others. I have never understood or accepted the idea of White Supremacy or Christian Supremacy or any of the myriad ways that humanity continues to other each of us. In reality, there is no “us” or “them” only”we”. Charlie questions who he is as a Black man in the US, a convict, a teacher, a father, and ultimately a fixer and healer. Sidney grapples with her biracial otherness, her wealthy upbringing and sheltered life, the trauma of abandonment, and the lies that her life was built on.
The ethical question of the machine at the epicenter of the event adds another layer to the story. While the effects of the first usage were unintended, once they were known is it right to continue to fix it and use it again? Can healing a part of collectiveness that harms or destroys another part ultimately be worth the cost? The world and its people are broken and desperately need healing. But just like the question of eugenics, what of value is lost when specific traits are universally stripped away? And who gets the to decide what is of value anyway? The ambiguity of the ending doesn’t answer the question entirely of what happens when the machine is repaired, but Charlie’s ability to fix things leads me hopeful. Personally, I cared enough about these characters to be interested in a sequel.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
A book that makes you think!
Format: Paperback
This was a super good read, very imaginative. It dealt with identity, belonging, insecurities, family matters. The way it was written was unlike any book I’ve read this year.
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Reviewed in the United States on May 4, 2026
★★★★★ 3
The Possibilities
Format: Kindle
Despite its potential, this book ultimately failed to resonate with me. I found myself repeatedly compelled to put it down, as the focus on the empowerment aspect was overshadowed by the narrative’s preoccupation with re-triggering ourselves through the perpetuation of a harmful lie. This lie, which has tragically cost many Black men their lives and livelihoods, diverted our attention from the more profound themes of rebuilding culture, redefining ourselves, and creating a new world. Instead of exploring the possibility of a beautiful utopia, we were subjected to a process of de-centering ourselves and centering them, their likeness, and the relentless pursuit of proving our worth. While there were indeed wise words that moved me, I was left questioning the purpose of dedicating so much time to those who did not share our sentiments. Who are these individuals who required our convincing, and who are we who felt compelled to do so? I found Sydney, her family, and the inhabitants of Orange Beach to be unlikable characters. I fear that the plot was compromised when the focus shifted to inclusion.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Wow! Loved it!
Format: Paperback
Wow, I don't even know what to say about this book, but well done. I was a little bit mystified in the beginning. Our FMC and MMC definitely had me feeling a specific sort of way. A father, who was released from prison after "The Event" where all the white people in the Nation killed themselves, struggles with his identity. His daughter, Sidney, a biracial young adult who was raised by her white family, struggles with the fact that things she was taught were not necessarily true, and finds it hard to connect to her blackness. This is a tumultuous story of a beautifully written adaptation to an entirely new way of life. I didn't necessarily agree with certain ideations of the author, who in his book, claimed that there was a lost feeling after "The Event," but that's just personal experience, and I think that many black people would adapt. This book brings up so many feelings. How would I feel if "The Event" happened? Now that the "system" is dismantled? This book brings up dialogue and conversation. Amazingly well done. I'm still pondering. I know that this will be something I think about often. Wow.
Very seldom do I tear up at books, but the representation of black joy in this story genuinely made my heart feel full. The love that when black people come together with nothing but amazing energy, was described so adequately in this book. I could feel it myself. And to that, I have to applaud Cebo Campbell.
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Reviewed in the United States on February 4, 2026
★★★★★ 4
Good first novel
Format: Audiobook
Excellent read, but thought provoking. The ending was not what I expected.
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Reviewed in the United States on May 18, 2026