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Description
Dahua 2 × 4 MP Dual-Directional WizMind camera (IPC-HDBW5441F-AS-E2)Productbeschrijving Dahua IPC HDBW5441F AS E2 is een moderne netwerkcamera uit de WizMind serie. De IPC HDBW5441F AS E2 is uitgerust met twee 1 2,8" CMOS sensoren die elk beelden genereren met een resolutie van 4 MP. De IPC HDBW5441F AS E2 werkt met H. 265 coderingstechnologie deze codec is ongeveer 30 50% efficinter dan H. 264, 2,8 mm vaste focuslenzen. De videovernieuwingsfrequentie van 25 fps bij 4 MP en de toegepaste beeldverbeteringstechnologien
Productbeschrijving
Dahua IPC-HDBW5441F-AS-E2 is een moderne netwerkcamera uit de WizMind-serie. De IPC-HDBW5441F-AS-E2 is uitgerust met twee 1/2,8" CMOS-sensoren die elk beelden genereren met een resolutie van 4 MP. De IPC-HDBW5441F-AS-E2 werkt met H.265-coderingstechnologie deze codec is ongeveer 30-50% efficiënter dan H.264, 2,8 mm vaste-focuslenzen. De videovernieuwingsfrequentie van 25 fps bij 4 MP en de toegepaste beeldverbeteringstechnologieën True WDR (Digital Wide Dynamic Range) die de verlichting in de scène in balans brengt en de 3DNR (ruisonderdrukking) functie vormen een perfecte combinatie, wat resulteert in een beeld van hoge kwaliteit van zelfs de kleinste details. Starlight, een functie waarmee u 's nachts beelden kunt vastleggen zonder IR te gebruiken in zeer goede kwaliteit, is een kenmerk van de Panoramic-serie. Met de IPC-HDBW5441F-AS-E2 kunt u onafhankelijke streams configureren handig bijvoorbeeld voor het weergeven van live previews via een netwerk van lage kwaliteit. De mogelijkheid om De PoE (Power over Ethernet) IEEE 802.3af voeding van de IPC-HDBW5441F-AS-E2 is een andere reden waarom dit model ideaal is voor zowel eenvoudige als geavanceerde IP-gebaseerde bewakingssystemen. Dankzij de ONVIF-compatibiliteit kan de IPC-HDBW5441F-AS-E2 worden aangesloten op een recorder van derden die deze functie ook ondersteunt.
Specificaties
| Camera | |
| Beeldsensor | 1/2,7" CMOS |
| Maximale resolutie | 2560 (H) × 1440 (V) |
| ROM | 128 MB |
| RAM | 1 GB |
| Scansysteem | Progressief |
| Elektronische sluitertijd | Automatisch/Handmatig 1/3 s–1/100.000 s |
| Minimale verlichting | 0,005 [email protected] (Kleur, 30 IRE) 0,0005 [email protected] (zwart-wit, 30 IRE) 0 lux (Illuminator aan) |
| S/N-verhouding | > 56 dB |
| Verlichtingsafstand | 30 m (98,43 ft) (IR) |
| Aan/uit-regeling van de verlichting | Auto |
| Illuminatornummer | 16 (IR-LED) |
| Pan/Tilt/Rotatiebereik | Pan: 0°–175° Kantelen: 0°–65° Rotatie: 0°–360° |
| Lens | |
| Lenstype | Vaste brandpuntsafstand |
| Lensvatting | M12 |
| Brandpuntsafstand | 2,8 mm |
| Maximaal diafragma | F1.6 |
| Gezichtsveld | Horizontaal: 95°; Verticaal: 52°; Diagonaal: 114° |
| Irisbestrijding | Vast |
| Korte scherpstelafstand | 1,1 m (3,61 ft) |
| Slim evenement | |
| IVS | Verlaten object; vermist object |
| Professioneel, intelligent | |
| IVS (Perimeterbeveiliging) | Indringing, struikeldraad, snel bewegen (de drie functies ondersteunen de classificatie en nauwkeurige detectie van voertuigen en mensen); detectie van rondhangen; samenscholing van mensen; parkeerdetectie |
| SMD 3.0 | Dankzij een intelligent algoritme kan de Dahua Smart Motion Detection-technologie de doelen categoriseren die bewegingsdetectie activeren en het bewegingsdetectiealarm filteren dat wordt geactiveerd door niet-betrokken doelen om een effectief en nauwkeurig alarm te realiseren. |
| Gezichtsdetectie | Gezichtsdetectie; volgen; momentopname; momentopname-optimalisatie; optimale upload van momentopnamen van gezichten; gezichtsverbetering; gezichtsbelichting; momentopname van gezicht instellen als gezicht of foto van één inch; momentopnamestrategieën (realtime momentopname, kwaliteitsprioriteit en optimalisatiemomentopname); gezichtshoekfilter; instelling van optimalisatietijd |
| Mensen tellen | Tripwire-mensentelling en mensentelling in een gebied; genereren en exporteren van rapporten (dag/maand/jaar); wachtrijbeheer; er kunnen 4 regels worden ingesteld voor tripwire, mensentelling in een gebied en wachtrijbeheer |
| Slim zoeken | Werk samen met Smart NVR om verfijnde, intelligente zoekopdrachten uit te voeren, gebeurtenissen te extraheren en samen te voegen tot gebeurtenisvideo's |
| Video | |
| Videocompressie | H.265; H.264; H.264H; H.264B; MJPEG (alleen ondersteund door de substream) |
| Slimme codec | Slimme H.265+; Slimme H.264+ |
| AI-codering | AI H.265; AI H.264 |
| Videoframesnelheid | Hoofdstream: 2560 × 1440 @(1–25/30 fps) substream: 704 × 576 @ (1–25 fps)/704 × 480 @ (1–30 fps) derde stream: 1920 × 1080 @ (1–25/30 fps) |
| Stream-capaciteit | 3 streams |
| Resolution | 4M (2560×1440); 3M (2304×1296); 1080p (1920 × 1080); 1,3M (1280×960); 720p (1280 × 720); D1 (704×576/704×480); CIF (352 × 288/352 × 240) |
| Bitsnelheidsregeling | CBR/VBR |
| Videobitsnelheid | H.264: 32 kbps–8192 kbps H.265: 32 kbps–8192 kbps |
| Dag/Nacht | Auto(ICR)/Kleur/Z/W |
| BLC | Ja |
| HLC | Ja |
| WDR | 120 dB |
| Scène Zelfaanpassing (SSA) | Ja |
| Witbalans | Auto; natuurlijk; straatlantaarn; buiten; handmatig; regionaal gebruik |
| Krijg controle | Auto |
| Ruisonderdrukking | 3D-ruisonderdrukking |
| Bewegingsdetectie | UIT/AAN (4 zones, rechthoekig) |
| Regio van interesse (RoI) | Ja (4 gebieden) |
| Beeldstabilisatie | NA |
| Slimme verlichting | Ja |
| Ontwasemen | Ja |
| Beeldrotatie | 0°/90°/180°/270° |
| Spiegel | Ja |
| Privacymaskering | 8 gebieden |
| Audio | |
| Ingebouwde microfoon | Ja |
| Audiocompressie | PCM; G.711a; G.711Mu; G.726; G.723 |
| Alarm | |
| Alarmgebeurtenis | Geen SD-kaart; SD-kaart vol; SD-kaartfout; netwerkverbinding verbroken; IP-conflict; illegale toegang; bewegingsdetectie; videomanipulatie; struikeldraad; indringing; snel bewegend; achtergelaten object; vermist object; detectie van rondhangen; mensen verzamelen zich; parkeerdetectie; scèneverandering; audiodetectie; spanningsdetectie; extern alarm; gezichtsdetectie; SMD; mensen tellen in het gebied; detectie van blijven staan; mensen tellen; beveiligingsuitzondering |
| Netwerk | |
| Netwerkpoort | RJ-45 (10/100 Base-T) |
| SDK en API | Ja |
| Cyberbeveiliging | Videoversleuteling; Firmwareversleuteling; Configuratieversleuteling; Digest; WSSE; Accountvergrendeling; Beveiligingslogs; 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 (Profiel S/Profiel G/Profiel T); CGI; P2P; Mijlpaal |
| Gebruiker/Host | 20 (Totale bandbreedte: 64 M) |
| Opslag | FTP; SFTP; Micro SD-kaart (ondersteunt max. 256 GB); NAS |
| Browser | IE: IE8 en later Chrome Firefox Safari: 12 en later |
| Beheersoftware | Slimme PSS; DSS; DMSS |
| Mobiele client | iOS; Android |
| Certificering | |
| Certificeringen | CE-LVD: EN 62368-1; CE-EMC: Richtlijn elektromagnetische compatibiliteit 2014/30/EU; FCC: 47 CFR FCC Deel 15, Subdeel B; UL/CUL: UL62368-1 & CAN/CSA C22.2 nr. 62368-1-14 |
| Port | |
| Audio-ingang | 1 kanaal (RCA-poort) |
| Audio-uitvoer | 1 kanaal (RCA-poort) |
| Alarmingang | 2 kanalen in: 5mA 3V–5 VDC |
| Alarmuitgang | 2 kanalen uit: 300mA 12 VDC |
| Stroom | |
| Voeding | 12 VDC/PoE |
| Stroomverbruik | Basis: 3,1 W (12 VDC); 4 W (PoE) Max. (H.265 + IR aan + intelligentie + WDR): 6,6 W (12 VDC); 8 W (PoE) |
| Omgeving | |
| Bedrijfstemperatuur | –40 °C tot +60 °C (–40 °F tot 140 °F) |
| Bedrijfsvochtigheid | ≤ 95% |
| Opslagtemperatuur | –40 °C tot +60 °C (–40 °F tot 140 °F) |
| Bescherming | IP67; IK10 |
| Structuur | |
| Behuizing | Metaal |
| Productafmetingen | 66,2 mm × Φ122,0 mm (2,61" × Φ4,80") |
| Nettogewicht | 0,52 kg (1,15 lb) |
| Brutogewicht | 0,67 kg (1,48 lb) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1781 reviews
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Product Reviews
★★★★★ 5
Perfect Balance of Comfort, Support, and Style!
Size: 934-Z, Color: Black, Size: 934-Z, Color: Black
I’ve been using this chair for a few weeks now, and I’m genuinely impressed with how much of a difference it’s made in my workspace. The mesh back is one of my favorite features—it offers excellent breathability and prevents that sticky, overheated feeling you sometimes get with solid-back chairs, even after sitting for hours. The seat cushion is firm enough to give proper support but still has enough give to keep me comfortable through long workdays. It feels like the perfect middle ground between soft and supportive.
The adjustable foot ring has been a complete game changer for me. I use a taller desk setup, and having somewhere to rest my feet makes a huge difference in posture and overall comfort. Whether I’m sitting upright for focused work or leaning back to read, it’s always at the right height.
The flip-up armrests are another smart design choice. When I’m typing, I like to have them down for support, but when I’m done, I can flip them up and push the chair neatly under my desk—saving space and keeping things tidy. The casters roll smoothly on both hardwood and rugs, so I can move around easily without scraping the floor or getting stuck. The overall build quality feels solid and sturdy, with no wobbles or creaks.
Assembly was surprisingly quick—everything was clearly labeled, the parts felt durable, and it only took me about 20 minutes from opening the box to sitting in the chair. The sleek, modern look is another big plus—it blends in perfectly with my home office décor without feeling bulky or taking up too much visual space.
If you’re looking for a chair that combines comfort, ergonomic support, durability, and style, I can’t recommend this one enough. It’s equally great for work, studying, or just relaxing at your desk, and it’s definitely been worth every penny.
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Reviewed in the United States on August 12, 2025
★★★★★ 3
OK for the price, but overall comfort is avergae
Size: 934-Z, Color: Mustard
Easy to put together, color (mustard) accurate to images, and while I understand this is not a high-end chair, I feel like it still needs to be rated for its quality.
Pros: the seat cushions are fairly comfortable and it rolls well. Adjustable footrest is easy enough and mostly sturdy.
Cons: For a tall office chair, it doesn't go up high enough. I actually had to lower my standing desk to sit at it, which then isn't where I want it when I'm standing now. It's also a bit wobbly. The seat area's attachment to the post isn't as solid as it should be for a tall chair, so while sitting, it does tend to lean/slope forward and wobble side to side. The lumbar support is not adjustable, so I'm not even really sure what it does. And the armrests are not very comfortable to use. Since they are hard plastic, they are just a bit too rigid to rely on for any comfort. They are basically there to hold on to when you're getting out of the chair.
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Reviewed in the United States on May 29, 2026
★★★★★ 4
Good Value for a Tall Chair
Size: 934W-Z, Color: White
I have received this chair just today and would like to give my first impressions of it.
Height is super adjustable as well as the foot rest. My desk is very tall (~34 inches vs standard ~29 inches) and does not suit a standard height chair. This chair's height is enough to sit comfortably at mybut also still having adjustment to be even higher.
Lumbar support is a manual adjustment that can be adjusted by sliding the lumbar piece up or down and it seems it can be tiled as well.
No reclining feature or slight backrest tilt adjustment. I'm used to my chairs reclining so it feels a little awkward siting in a flat base and straight backrest. I feel like I'm sitting too forward or leaning forward slightly but is probably something I can get use to.
Easy to put together and feels very sturdy. Plastic parts of chair are made from a really sturdy plastic, like playhouse plastic materials. Wheels roll around carpet easily. Mesh seems to be a strong material, though the mesh feels kind itchy on bare skin.
Overall, I think this is a good chair to get if you're needing a tall chair for a good value and can sacrifice no backrest tilt.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
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Reviewed in the United States on April 23, 2026