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Description
Dahua 2MP 4x Starlight IR WizSense PTZ-camera (SD1A204DB-GNY)Productbeschrijving De Dahua SD1A204DB GNY is een moderne roterende IP camera. De 1 2,8" CMOS sensor levert beelden van hoge kwaliteit met een resolutie van 2 MP bij 25 fps. Een IR illuminator met een bereik tot 20 m met automatische vermogensaanpassing en een mechanisch IR cutfilter (ICR) maken gebruik in volledige duisternis mogelijk. De camera is uitgerust met een 2,8 12mm lens met een horizontale kijkhoek van 101,6 51,9, wat 4x optische zoom
Productbeschrijving
De Dahua SD1A204DB-GNY is een moderne roterende IP-camera. De 1/2,8" CMOS-sensor levert beelden van hoge kwaliteit met een resolutie van 2 MP bij 25 fps. Een IR-illuminator met een bereik tot 20 m met automatische vermogensaanpassing en een mechanisch IR-cutfilter (ICR) maken gebruik in volledige duisternis mogelijk. De camera is uitgerust met een 2,8-12mm lens met een horizontale kijkhoek van 101,6°-51,9°, wat 4x optische zoom mogelijk maakt. De camera is uitgerust met een microfoon en een reeks geavanceerde functies die ruis verminderen en de beeldkwaliteit verbeteren, zoals WDR120dB, 3D DNR, AGC, WB, BLC en HLC. De IP66-geclassificeerde behuizing, IK08 vandaalbestendigheid en het brede temperatuurbereik maken het mogelijk om de camera te gebruiken in zware omgevingsomstandigheden. De camera kan rechtstreeks worden gevoed via het Ethernet-netwerk met PoE (IEEE 802.3af-standaard) of traditioneel via een 12VDC-voeding.
Dankzij uitgebreide netwerkfuncties kan de camera op elk TCP/IP-netwerk werken. Bovendien kan de camera e-mails versturen naar voorgeprogrammeerde ontvangers. Toegang via het IP-netwerk is mogelijk via een webbrowser of speciale software, evenals vanaf mobiele platforms met gratis applicaties. Ondersteuning voor de ONVIF-standaard maakt het mogelijk om de camera te koppelen aan apparaten van andere fabrikanten en zo onderdeel te worden van complexe videosystemen.
Dankzij WizSense-technologie ondersteunt de camera een reeks geavanceerde intelligente functies, waaronder: IVS-perimetrie: inbraakdetectie, lijnoverschrijding (deze functies maken classificatie en nauwkeurige voertuig en persoonsdetectie mogelijk), gezichtsdetectie, personentelling en SMD Plus (intelligente bewegingsdetectie).
Specificaties
| Camera | |
| Beeldsensor | 1/2,8" CMOS |
| Pixel | 2 MP |
| Maximale resolutie | 1920 (H) × 1080 (V) |
| ROM | 256 MB |
| RAM | 512 MB |
| Elektronische sluitertijd | 1 s–1/30.000 s |
| Scansysteem | Progressief |
| Minimale verlichting | 0,005 [email protected] (kleur, 30 IRE); 0,0005 [email protected] (zwart-wit, 30 IRE); 0 lux (belichting aan) |
| Verlichtingsafstand | 20 m (65,62 ft) (IR) |
| Aan/uit-regeling van de verlichting | Handmatig; SmartIR; Uit |
| Illuminatornummer | 3 (IR-licht) |
| Lens | |
| Brandpuntsafstand | 2,8 mm–12 mm |
| Maximaal diafragma | F1.8–F2.7 |
| Gezichtsveld | H: 101,6°–51,9°; V: 53,1°–29,1°; D: 121,8°–59,7° |
| Optische zoom | 4x |
| Focusregeling | Automatisch; semi-automatisch; handmatig |
| Korte scherpstelafstand | 0,2 m–0,5 m (0,66 ft– 1,64 ft) |
| Irisbestrijding | Vaste iris |
| PTZ | |
| Pan/Tilt-bereik | Pan: 0° tot 355°; Kantelen: 5° tot 90° |
| Handmatige snelheidsregeling | Pan: 0,1°/s–70°/s; Kantelen: 0,1°/s–30°/s |
| Vooraf ingestelde snelheid | Pan: 0,1°/s–80°/s; kanteling: 0,1°/s–40°/s |
| Vooraf ingesteld | 300 |
| Tour | 8 (tot 32 presets per tour) |
| Uitschakelgeheugen | Ja |
| Stationaire beweging | Vooraf ingesteld; Tour |
| PTZ-protocol | DH-SD |
| Intelligentie | |
| IVS (Perimeterbeveiliging) | Struikeldraad; indringing; detectie van het passeren van een hek; detectie van rondhangen; achtergelaten/vermist object; snel bewegend; parkeerdetectie; mensen verzamelen; classificatie van menselijk alarm |
| Gezichtsdetectie | Ondersteunt gezichtsdetectie, momentopnamen en gezichtsverbetering; Ondersteunt gezichtsuitsparing: gezicht, foto van 2,5 cm; Vastlegstrategieën omvatten realtime-vastlegging en kwaliteit staat voorop. |
| Mensen tellen | Ondersteunt het tellen van het aantal personen dat de detectielijn overschrijdt, het tellen van het aantal personen in een gebied en wachtrijbeheer. Ook ondersteunt het alleen het tellen van personen die de detectielijn overschrijden, de rapportagefunctie. |
| SMD | Ja |
| Video | |
| Videocompressie | H.264H; H.264B; Smart H.265+; H.264; H.265; MJPEG (substream); Smart H.264+ |
| Streaming-mogelijkheid | 3 streams |
| Resolution | 1080p (1920 × 1080); 1,3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240) |
| Videoframesnelheid | Hoofdstream: 1080p/1,3M/720p@(1-25/30 fps) Substream 1: D1/VGA/CIF@(1-25/30 fps) Substream 2: 1080p/1,3M/720p@(1-25/30 fps) |
| Bitsnelheidsregeling | CBR/VBR |
| Videobitsnelheid | H264: 96 Kbps–14.848 Kbps H265: 38 Kbps–8.960 Kbps |
| Dag/Nacht | ICR: Kleur; Zwart-wit; Automatisch; Elektronisch: Kleur; Zwart-wit; Automatisch |
| BLC | Ja |
| WDR | 120 dB |
| HLC | Ja |
| Witbalans | Auto; binnen; buiten; tracking; handmatig; natriumlamp; natuurlijk licht; straatlantaarn |
| Krijg controle | Auto; handmatig; versterkingsprio |
| Ruisonderdrukking | 2D-ruisonderdrukking; 3D-ruisonderdrukking |
| Bewegingsdetectie | Ja |
| Regio van interesse (RoI) | Ja |
| Beeldstabilisatie | Elektronische beeldstabilisatie (EIS) |
| Ontwasemen | Elektronisch |
| Digitale zoom | 16× |
| Beeldrotatie | 180° |
| S/N-verhouding | ≥55 dB |
| Privacymasker | Er kunnen maximaal 24 gebieden worden ingesteld, met maximaal 8 gebieden in dezelfde weergave; 8 kleuren beschikbaar |
| Audio | |
| Audiocompressie | PCM; G.711A; G.711MU; G.726; MPEG2-Layer2; G.722.1 |
| 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 | ONVIF (Profiel S & Profiel G & Profiel T); CGI; SDK |
| Gebruiker/Host | 20 (totale bandbreedte: 64 M) |
| Opslag | Micro SD-kaart (512 GB); FTP/SFTP; 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 |
| Certificering | |
| Certificeringen | CE-EMC: EN 55032; EN 61000-3-3; EN 61000-3-2; EN 50130-4; EN 55035 CE-LVD: EN 62368-1 FCC: 47 CFR FCC Deel 15, Subdeel B, NSI C63.4 |
| Port | |
| Audio-ingang | 1 kanaal (LINE IN, blote draad) |
| Audio-uitvoer | 1 kanaal (LINE OUT, kale draad) |
| Alarmkoppeling | Vastleggen; opnemen; e-mail verzenden; vooraf instellen; rondleiding |
| Alarmgebeurtenis | Bewegings/manipulatiedetectie; audiodetectie; detectie van verbroken netwerkverbinding; IP-conflictdetectie; detectie van de status van de geheugenkaart; detectie van geheugenruimte |
| Audio-I/O | 1/1 |
| Stroom | |
| Voeding | 12 VDC, 2 A ± 10%; PoE (802.3af) |
| Stroomverbruik | Basis: 4 W; Max: 13 W (belichter aan) |
| Omgeving | |
| Bedrijfstemperatuur | –30 °C tot +60 °C (–22 °F tot +140 °F) |
| Bedrijfsvochtigheid | ≤95% |
| Bescherming | TVS 6000 V bliksembeveiliging; IP66; IK08; overspanningsbeveiliging; bescherming tegen spanningspieken |
| Structuur | |
| Productafmetingen | 65,7 mm × Φ128,0 mm (2,59" × 5,04") |
| Nettogewicht | 0,5 kg (1,10 lb) |
| Brutogewicht | 0,7 kg (1,54 lb) |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.0 ★★★★★
Based on 941 reviews
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Product Reviews
★★★★★ 4
Comfortable, easy to assemble, but no adjustable armrests
Color: Dark, Color: Dark
The Marsail Executive Office Chair Ergonomic Desk Chair with Flip-up Armrests PU Leather was an easy to assemble chair; I was done within 15 minutes with the included tool. Extra screws were included which was nice as the main pack had broken open and I couldn't find one of the primary screws in the larger box (my guess is I probably tossed it on accident with the packaging material) but had the backup so all was well. The instructions were well written and clear.
I've now had the chair in my office for over a week. For context; I work from home and also am a PC gamer so I spend a sizeable portion of my time at my desk in the chair. I also live in the southeast US and its April when I am writing this review. With that said; its been in the 70s/80s regularly so feel like I can comment fairly on its performance in warmer temps; though I'll have to try and remember to comeback and update it for the summer season when AC is on full blast and humidity is higher (and the inevitable "swamp butt" sets in).
In the first week I've found the chair to be comfortable to sit in. It is wide enough and the arm rests to the side enough that I can sort of lean left and right without much trouble. I like this wider seat and armrests compared to chairs with more narrow span as I tend to shift and move a lot while sitting.
The PU leather material feels nice against my clothes and does "grip" the clothing which helps with my tendency to want to slide forward when sitting. At first I thought the "grip" would be annoying but I sort of like it after a week of using the chair.
The cushion material is comfortable for sitting and rebounds well after I've been sitting in it for a long period of time. The armrests feature the same sort of cushion and PU leather material which makes them comfortable to sit back and lean on.
For the price I think this is a solid office chair and a comfortable option. Longevity will only be tested over time so I'll see if I can remember to update this review over time. I am happy with the chair in my office.
A few downsides about the chair that I have:
- The wheels are very stiff and don't roll as smoothly as I'd like. They stay put when I am sitting at the desk but when I need to push away they take a bit of force.
- The arm rests can't be adjusted for height. They are one height and can only be moved out of the way completely. For someone like who likes to lean or shift sides this is less than ideal as I'd normally make adjustments to the armrests. With that said it is nice to be able to move them out of the way completely when I don't need them.
- Lumbar support could be better. I will be using additional support in the chair for my back.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Good for sitting on it daily. Not that soft as expected
Color: Dark, Color: Dark
I’ve been using this chair for a few days now and overall it’s pretty solid for a home office setup, especially for the price range. Assembly took me about 30–40 minutes alone and all the parts were labeled clearly. Nothing arrived damaged and the instructions were easy to follow, though attaching the backrest was a little awkward with one person.
Once assembled, the chair looks clean and professional. The PU leather feels smooth and the cushioning is definitely thicker than cheaper office chairs I’ve tried. It’s comfortable for working several hours at a time, although I wouldn’t describe it as super plush or “sink-in” soft. The seat has a firmer feel, which may actually be better for posture during long work sessions.
The ergonomic support is decent. The backrest follows the shape of your back fairly well and gives noticeable lumbar support compared to flat office chairs. I spend a lot of time at my desk and this chair helped reduce some lower back discomfort. The reclining and rocking feature is also nice for quick breaks between meetings or while watching videos. It doesn’t recline extremely far, but enough to relax a bit without feeling unstable.
One feature I ended up liking more than expected was the flip-up armrests. They make it easy to slide the chair completely under the desk and also give more room if you like sitting cross-legged occasionally. The chair rolls smoothly and feels stable even when leaning back.
A couple downsides though. The faux leather can get warm after extended sitting, especially in a warmer room. The mesh section helps airflow a little, but not enough to fully prevent heat buildup. Also, while the chair is comfortable, it doesn’t quite feel “premium executive” level in terms of materials. Some of the plastic components and armrests feel more mid-range than luxury.
Overall, I’d say it’s a good value office chair with solid comfort, decent back support, and practical features. Great for everyday work or study use, just keep expectations realistic if you’re looking for a super high-end executive chair feel.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Comfortable chair constructed with good quality materials
Color: Dark, Color: Dark
Having purchased several chairs from Amazon over the years, I would rank the Marsail Executive Office Chair Ergonomic Desk Chair as one of the better quality options I've received. Here is a breakdown of my experience:
Build Quality & Aesthetics
I was immediately impressed by the quality of the base. It is crafted from brushed metal and has a substantial, premium feel that sets it apart from cheaper plastic alternatives. Additionally, the pneumatic height adjuster was easy to install and operates very smoothly.
Comfort & Ergonomics
-- Padding: The padding is not quite as thick as I expected, but it has proven to be very comfortable to sit in so far. Sometimes I am in the chair as much as 10 hours per day, and the foam in the seat holds it's form all day.
-- Support: The chair does not include built-in lumbar support, so I am using a lumbar pillow. However, I actually find this preferable; it allows me to adjust the pillow to my exact needs or remove it entirely depending on how I'm feeling.
-- Head support and tilt: I like to work in an upright position, but I sometimes i like to lean back for a rest. The chair leans back just enough to allow me to rest my head, but not so much that I feel like it will tip over. The head support is subtle too - it doesn't hurt my neck or force me to rest in an awkward position.
Functionality
-- The mobility of this chair is excellent. The wheels are high-quality and roll very smoothly on my hardwood floors, which is often a pain point with other office furniture.
Final Verdict
Despite the thinner padding and lack of integrated lumbar support, the superior materials and smooth mechanics make this a decent value for the money. It’s a sturdy, well-made piece of furniture.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Good quality office chair with movable arms
Color: Dark, Color: Dark
This chair was relatively easy to put together. After unboxing and laying out all of the parts, my husband and I built it in 22 minutes. We noticed how the instructions have you put the tilt mechanism bracket on after putting the back and arms on. Another chair we built was the opposite, which made attaching it to the base actually easier. That way just made more sense.
This way, you put the back and seat together using the arms, then you attach the tilt mechanism to the bottom of the seat, but the seat is at an angle when you do this. Then you lift the whole chair and place it down onto the legs. I'm glad there were two of us to do that part. We also noticed one of the holes for screwing in the arm bracket was not lined in metal like the rest of them were. It still worked, though.
It does rock a bit back and forth. The height adjusting rod also locks the chair in place for when you don't want the chair to lean back. There is a knob underneath that allows you to loosen or tighten how much it moves when you lean back or rock.
The material is faux leather. It looks like real leather and feels pretty good. This makes it easy to clean. The arms can be raised level with the back of the chair to make it easy to slide out of the side of the chair. Overall this chair has a pretty classic look to it and is comfortable to sit in. It even has some lumbar support.
The way the back of the chair and the seat of the chair connect together leaves a little bit of a gap. Nothing major, but you could lose coins or keys through the gaps between the cushions. If you have a cat, this would be a great way for them to poke their paws through and say hello.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Good value.
Color: Dark
Well built, looks good, and the material used are ok.
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Reviewed in the United States on June 4, 2026
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