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Description
Dahua 8MP 25x Starlight IR WizSense PTZ-camera (SD49825GB-HNR)Productbeschrijving De Dahua SD49825GB HNR is een 8 MP gemotoriseerde PTZ camera (Pan Tilt Zoom) die een geavanceerde bewakingsoplossing biedt voor buitenomgevingen. Dankzij de 25x optische zoom, Starlight technologie en infrarood met groot bereik (100 m) legt hij heldere beelden vast, zelfs bij weinig licht. Deze camera is voorzien van geavanceerde kunstmatige intelligentie (AI) en WizSense functies zoals gezichtsdetectie, perimeterbeveiliging en SMD
Productbeschrijving
De Dahua SD49825GB-HNR is een 8 MP gemotoriseerde PTZ-camera (Pan-Tilt-Zoom) die een geavanceerde bewakingsoplossing biedt voor buitenomgevingen. Dankzij de 25x optische zoom, Starlight-technologie en infrarood met groot bereik (100 m) legt hij heldere beelden vast, zelfs bij weinig licht.
Deze camera is voorzien van geavanceerde kunstmatige intelligentie (AI) en WizSense-functies zoals gezichtsdetectie, perimeterbeveiliging en SMD 4.0, waarmee het onderscheid tussen mensen, voertuigen en levenloze objecten wordt verbeterd.
Met zijn IP66-bescherming, 6000V-bliksembeveiliging en brede temperatuurbereik (-40 °C tot +65 °C) is hij ideaal voor buiteninstallaties onder extreme omstandigheden.
Specificaties
| Camera | |
| Beeldsensor | 1/2,8" CMOS |
| Pixel | 8 MP |
| Maximale resolutie | 3840 (H) × 2160 (V) |
| ROM | 4 GB |
| 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 [email protected] (IR-licht aan) |
| Verlichtingsafstand | 100 m (328,08 ft) (IR) |
| Aan/uit-regeling van de verlichting | Zoom Prio; Handmatig; Smart IR; Uit |
| Illuminator nummer | 4 (IR) |
| Lens | |
| Brandpuntsafstand | 5 mm–125 mm |
| Maximaal diafragma | F1.6–F3.6 |
| Gezichtsveld | H: 53,1°–3,4°; V: 30,4°–1,9°; D: 59,3°–3,9° |
| 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: –15° tot +90°, automatisch 180° omdraaien |
| Handmatige snelheidsregeling | Pan: 0,1°–200°/s Kantelen: 0,1°–120°/s |
| Vooraf ingestelde snelheid | Pan: 240°/s Kantelen: 200°/s |
| Vooraf ingesteld | 300 |
| Tour | 8 (tot 32 presets per tour) |
| Patroon | 5 |
| Scannen | 5 |
| Uitschakelgeheugen | Ja |
| Stationaire beweging | Patroon; Voorinstelling; Scan; Tour |
| PTZ-protocol | DH-SD Pelco-P/D (automatische herkenning) |
| 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 voertuig-/mensalarmen |
| Gezichtsdetectie | Ondersteunt gezichtsdetectie, optimalisatie, tracking, het maken van foto's, het uploaden van hoogwaardige snapshots van gezichten en gezichtsverbetering; Ondersteunt het extraheren van kenmerken. 6 kenmerken en 8 gezichtsuitdrukkingen: geslacht, leeftijd, bril, gezichtsuitdrukkingen (boos, verdrietig, haatdragend, eng, verrast, kalm, blij en verward), masker, snor; Ondersteunt gezichtsuitsnijding: gezicht, foto van 2,5 cm. Vastlegstrategieën omvatten realtime vastleggen, optimalisatie en kwaliteit staat voorop. Ondersteunt maximaal 5 gezichtsdatabases; registreert personen één voor één of in batches; stelt gezichtsgelijkenis vast; vergelijkt gezichten met 10.000 gezichten. |
| SMD | SMD 4.0 |
| Auto Patrol | Wanneer een doelwit wordt gedetecteerd, wordt de IVS-regel geactiveerd en wordt de camera gekoppeld aan de PTZ. Vervolgens roteert de camera naar de positie van het doelwit en wordt er gepatrouilleerd op basis van de vooraf ingestelde waarden. |
| Video | |
| Videocompressie | H.264H; H.264B; Slimme H.265+; H.264; H.265; MJPEG (substream); Slimme H.264+ |
| Streaming-mogelijkheid | 3 streams |
| Resolution | 4K (3840×2160); 4M (2560×1440); 3M (2048×1536); 3M (2304×1296); 1080p (1920 × 1080); 720p (1280 × 720); D1 (704×576/704×480); VGA(640×480);CIF (352×288/352×240) |
| Videoframesnelheid | Hoofdstream: 4K/4M/1080p/1,3M/720p (1–25/30 fps) Substream 1: D1/VGA/CIF (1–25/30 fps) Substream 2: 1080p/1,3M/720p/CIF (1–25/30 fps) |
| Bitsnelheidsregeling | CBR/VBR |
| Videobitsnelheid | H.264: 3.328 kbps–8.192 kbps H.265: 1.280 kbps–8.192 kbps |
| Dag/Nacht | Auto (ICR)/Kleur/Z/W |
| BLC | Ja |
| WDR | DWDR |
| HLC | Ja |
| Witbalans | Auto; binnen; buiten; ATW; handmatig; natriumlamp; natuurlijk licht; straatlantaarn |
| Krijg controle | Automatisch; handmatig |
| Ruisonderdrukking | 2D-ruisonderdrukking; 3D-ruisonderdrukking |
| Bewegingsdetectie | Ja |
| Regio van interesse (RoI) | Ja |
| Ontwasemen | Elektronisch |
| Digitale zoom | 16× |
| Beeldrotatie | 180° |
| Privacymaskering | Er kunnen maximaal 24 gebieden worden ingesteld, met maximaal 8 gebieden in dezelfde weergave |
| S/N-verhouding | ≥ 55 dB |
| Audio | |
| Audiocompressie | PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; G723 |
| Netwerk | |
| Netwerkpoort | 1 × 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 | RTMP; CGI; SDK; ONVIF (Profiel S&G&T); P2P |
| Streamingmethode | Unicast/Multicast |
| 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 iOS 10 en latere versies |
| Beheersoftware | DSS Pro; DMSS |
| 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, Onderdeel B, NSI C63.4 UL: UL62368-1 |
| Port | |
| Audio-ingang | 1 kanaal |
| Audio-uitvoer | 1 kanaal |
| Alarmkoppeling | Vastleggen; opnemen; e-mail verzenden; vooraf instellen; tour; patroon; 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/3A ±10% PoE (802.3at) |
| Stroomverbruik | Basis: 9,8 W Max.: 20 W (Illuminator + alarm + PTZ) |
| Omgeving | |
| Bedrijfstemperatuur | –40 °C tot +70 °C (–40 °F tot +158 °F) |
| Bedrijfsvochtigheid | ≤ 95% |
| Opslagtemperatuur | –40 °C tot +70 °C (–40 °F tot +158 °F) |
| Opslagvochtigheid | ≤ 95% |
| Bescherming | IP66, TVS 6000 V bliksembeveiliging; overspanningsbeveiliging; bescherming tegen spanningsstoten |
| Structuur | |
| Productafmetingen | 270,4 mm × Φ160 mm (10,65" × Φ6,30") |
| Nettogewicht | 2,4 kg (5,29 lb) |
| Brutogewicht | 3,9 kg (8,60 lb) |
Shipping Notes
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Exchange/Return Notes
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4.3 ★★★★★
Based on 2134 reviews
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Product Reviews
★★★★★ 4
Easy to assemble, does the job, material is shiny nylon and shows creases, minor defects, sloppy
Size: 3 Panel 12FT W, Size: 3 Panel 12FT W
The Siebwin room divider is a good idea, and for the price, it mostly delivers on the intended functionality. I ordered the 12 foot, 3-panel version mainly to hide an unfinished basement storage area that had become an eyesore. It works well for that purpose and gives the space a cleaner appearance without spending the kind of money that more decorative dividers or custom partitions cost. If you need something temporary, portable, or mainly functional, this is a viable option.
There are a few limitations that became obvious during setup and use. The first thing I noticed was that the weld quality on some of the metal poles is fairly sloppy. Once the cover is installed, you do not really see it, but up close, it does not look especially refined or professional. The blackout material also is not a matte canvas style fabric as I expected. It has more of a shiny nylon appearance, and the creases are fairly visible. Being that it’s more of a nylon, I’d be hesitant to try steaming it to remove the creases. However, the creases do not matter if you are using it in a basement, dorm, or shared room, but for photography, video work, or a professional office setting, the appearance could be disappointing. The fabric is thick enough, though. It blocks visibility well enough, but strong light behind it still shows through to some extent, nothing deal-breaking. Also, my fabric appeared to be slightly defective. The hook and loop strip on one of the bottom sections was off-center and couldn't be totally attached because it was lined up with one of the legs. I originally hoped to use this as a video backdrop, but I will probably end up replacing the fabric with a proper green screen or canvas material while continuing to use the frame itself. For now, it does a good job of covering my basement junk.
Assembly was actually easier than I expected and took roughly 15 to 20 minutes. The longer vertical poles are tethered together similarly to tent poles, which made setup straightforward and fairly intuitive. The shorter horizontal pieces slide and snap together to the top and bottom of the vertical assembly. After each section is assembled, the divider panels connect together with metal plates and two knurled screws (at the top and bottom), so no tools are really required. A few screws were difficult to start because paint had gotten into the threads, but once they caught, they tightened down normally. The feet install with similar knurled fasteners and help keep the divider reasonably stable. One thing to watch for during setup is the fabric orientation. There is one arrow indicator in the middle of the fabric to indicate up. However, if you need another indicator, the smaller hook and loop strip goes on the bottom while the longer strip goes on top. I realized mine was upside down right before finishing and had to redo it. I wasn't difficult to redo, despite the defect in mine.
The overall design is practical and easy to move around. I do like that the panels can fold and bend into different shapes depending on the space. The widened feet help stability, although when trying to stretch the fabric tight, I noticed the poles sometimes wanted to overlap slightly at the joints. Tightening everything helped somewhat, but it still happened occasionally. The divider feels adequate for normal indoor use, though I would not expect premium durability or luxury-level fit and finish at this price point. The entire device can also be easily disabled and stored in a tote if you need it completely out of the way. It comes with assembly instructions, but even if you didn’t have them, it’s easy to build without them (save a mistake or two).
In terms of value, I think the Siebwin divider mostly matches its price. Around $100 gets you a large freestanding partition with decent usability and easy assembly, but there are compromises in materials, appearance, and refinement. The defects are also off-putting, but hopefully you won't have them. Higher-end room dividers can easily cost two or three times more, so some of the tradeoffs are expected. I also noticed cheaper alternatives online, but based on the quality here, I suspect those would probably have even more issues. For practical home use, temporary privacy, hiding storage areas, or separating shared spaces, this is a good option as long as expectations stay realistic.
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Reviewed in the United States on May 18, 2026
★★★★★ 3
Works well but takes up more space than expected
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
This room divider does the job for creating a little extra privacy and was easy enough to set up. The panels feel decent quality and the wider feet help keep it more stable than some cheaper screens I’ve tried. My only issue is that it takes up a bit more room than I expected, especially with the feet sticking out. It’s still portable and folds away nicely, but definitely measure your space first. Overall it works well for separating a room or blocking off an area temporarily. i wish it came in other colors
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Nice divider, serves it's purpose well!
Size: 3 Panel 12FT W
This room divider worked out very well for what I needed. I wanted a simple way to create a little more privacy and separation in a larger room without doing anything permanent, and this divider was an easy solution. The panels provide good coverage, and the black color gives it a clean, modern appearance that blends in nicely with different décor styles.
Assembly was fairly straightforward, and once set up, the wider feet helped keep the divider stable on the floor. I was especially happy with how flexible the panels are to arrange. You can keep it mostly straight, angle it around furniture, or create a more enclosed private space depending on the layout you need.
The material allows light to filter through slightly while still offering a noticeable sense of privacy. I’ve used it for separating a workspace area, but it would also work well in bedrooms, apartments, dorms, studios, or shared living spaces. Another plus is that it can be folded and moved without too much effort when you want to change the setup.
Overall, this divider delivers a good balance of functionality, portability, and appearance. It’s a practical option for anyone needing temporary room separation without installing permanent walls or curtains.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect for Adding Privacy to a Piano Studio
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
I Ordered the 2 Panel version which is way too big for my needs... that's on me. So keep in mind that the picture shows a fabric made for two panels only being used on one and hence it is not pulled tight; it would pull tight and not be so wrinkly if it was set up properly as two panels. The metal pools that make up the panels seem to be well made, stable, and of good quality. They were very easy to put together and they stand up tall with plenty of height. The appearance of it with the fabric on it isn't as elegant as it could be, but it still looks good enough. The material is plenty solid, not allowing light through it, and thereby making a solid barrier. I am using it to block the view out the studio door when a student is sitting at the piano to avoid distractions from the hallway. It will allow a student to enter the studio with our distracting the student who is at the piano.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Room Divider That Gives Instant “This Is a Separate Space Now” Energy
Size: 3 Panel 12FT W
The Siebwin 3 Panel Folding Privacy Screen is surprisingly effective at changing the feel of a room without requiring construction, commitment, or somebody yelling about load bearing walls. The 12 foot width gives a substantial amount of coverage, making it useful for creating privacy, dividing open areas, blocking visual clutter, or setting up temporary sections within larger rooms. This saved us a ton of time and money in our new studio and enabled us to create a kitchen and office in one room.
The wider feet make a huge difference because flimsy room dividers that collapse every time someone exhales too aggressively are deeply annoying. This one feels more stable and grounded once positioned. The folding design makes it easy to move around or adjust depending on the space, and it folds down relatively compactly when not in use. It is basically the introvert curtain wall of dreams.
The material has a clean, neutral look that blends well into different room styles without screaming “temporary office cubicle panic.” It works well for apartments, studios, shared spaces, dressing areas, or simply hiding the mountain of chaos you swear you are going to organize tomorrow. Practical, portable, and refreshingly easy to use without turning setup into a three hour emotional event.
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Reviewed in the United States on May 16, 2026