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Description
Dahua DHI-ARD2251E-W2(868) Draadloze externe PIRProductbeschrijving Dahua Draadloze PIR bewegingsmelder DHI ARD2251E W2(868) ondersteunt maskering en bewegingsdetectie, waardoor pogingen om het apparaat te verwijderen worden voorkomen. Het is mogelijk om cameramodules te installeren voor videobevestiging. Hij biedt bescherming tegen dieren tot 80 cm en 40 kg en bewaakt de omgevingstemperatuur. Tweerichtingscommunicatie en frequentieverspringing zorgen voor een stabiele en betrouwbare communicatie
Productbeschrijving
Dahua Draadloze PIR-bewegingsmelder DHI-ARD2251E-W2(868) ondersteunt maskering en bewegingsdetectie, waardoor pogingen om het apparaat te verwijderen worden voorkomen. Het is mogelijk om cameramodules te installeren voor videobevestiging. Hij biedt bescherming tegen dieren tot 80 cm en 40 kg en bewaakt de omgevingstemperatuur. Tweerichtingscommunicatie en frequentieverspringing zorgen voor een stabiele en betrouwbare communicatie met de alarmhub. Cloudupdates en updates op afstand via de mobiele app worden ondersteund, met dubbele redundantie en automatisch herstel in geval van mislukte updates.
Specificaties
| Indicatielampje | 1 × groene alarmindicator |
| Knop | 1 × aan/uit-schakelaar; 1 × schakelaar voor het aanpassen van het detectiebereik |
| Op afstand updaten | Cloud-update |
| Detectie van een lege batterij | Ja |
| Sabotage | Sabotage alarm |
| Bewegingsdetectie | Ja |
| Detectiemodus | PIR + Microgolf |
| Gevoeligheid | PIR: 3 niveaus instelbaar |
| Detectiebereik | Hoek: 90° Bereik: 15 m (49,21 ft), de installatiehoogte is 1 m (3,28 ft) |
| Detectiesnelheid | 0,3 m/s–2 m/s |
| Microgolffrequentie | 24G |
| Immuniteitsniveau van huisdieren | <80 cm (2,62 ft), ongeveer 40 kg (88,19 lb) |
| Weerstandsniveau wit licht | 10.000 lux |
| Anti-maskering | Ja |
| Tweeweg digitale temperatuurcompensatie | Ja |
| Scenario | Buiten, binnen |
| Bedrijfsstroom | 20 uA |
| Alarmstroom | Zonder camera: 26 mA (gemiddeld); 250 mA (maximaal) Met camera 's nachts: 380 mA (gemiddeld); 1,5 A (maximaal) |
| Draaggolffrequentie | 868,0 MHz–868,6 MHz |
| Zendervermogen (EIRP) | Limiet 25 mW |
| Communicatiemechanisme | Tweerichtingsverkeer |
| Communicatie afstand | RF: Tot 1.600 m (5.249,34 ft) in een open ruimte |
| Encryptiemodus | AES128 |
| Frequentieverspringing | Ja |
| Stroomvoorziening | CR123Ax4 |
| Levensduur van de batterij | Zonder camera: 5 jaar (activeert 10 alarmen per dag) Met camera: 3,5 jaar (activeert alarmen twee keer per week) |
| Bedrijfstemperatuur | –25 °C tot +60 °C (–13 °F tot +140 °F) |
| Bedrijfsvochtigheid | 10%–90% (RV) |
| Productafmetingen | 211 mm × 106 mm × 94 mm (8,31" × 4,17" × 3,7") |
| Installatiehoogte | 0,8 tot 1,3 m |
| Netto gewicht | 651 gram (1,44 pond) |
| Brutogewicht | 890 gram (1,96 pond) |
| Installatie | Muurbevestiging, paalbevestiging |
| Behuizingsmateriaal | PC + vriendin |
| Bescherming | IP66 |
| Certificeringen | CE |
| Corrosiewerend niveau | Basisbescherming |
| Opslagtemperatuur | –25 °C tot +60 °C (–13 °F tot +140 °F) |
| Verpakkingsafmetingen | 251 mm × 116 mm × 119 mm (9,88" × 4,57" × 4,69") |
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
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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
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Queen Elisabeth
Absolutely love this brand. Thick and creamy and yet still does not feel greasy. It last all day long.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Sturdy disposable plates that handle real meals without getting soggy
Color: Brown, Size: 9 in - 75 count, Color: Brown, Size: 9 in - 75 count
These 9-inch compostable plates are a great option when you want the convenience of disposable plates without the flimsy feel of standard paper ones. The bagasse material gives them a much sturdier structure, so they hold up well even with heavier foods.
What I noticed right away is that they do not bend or soak through easily. Foods with sauces, oils, or moisture sit on the plate without making it soft or soggy. Plates made from sugarcane fiber are designed to resist grease and liquids better than typical paper plates while still being biodegradable. 
The 9-inch size works well for full meals, not just snacks. I have used them for things like pasta, barbecue, and salads, and they held up without needing to double stack plates. They also have a nice natural brown look that works well for casual gatherings, cookouts, or parties.
Another plus is the eco-friendly aspect. Bagasse plates are made from leftover sugarcane fibers, which makes them a renewable alternative to plastic or foam disposable plates.  It is nice to have something convenient that is also a little better for the environment.
Overall these are sturdy, practical disposable plates that actually feel durable enough for real meals. Great for parties, family gatherings, picnics, or anytime you want easy cleanup without using flimsy plates.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
ACTUALLY heavy duty
Color: Brown, Size: 9 in - 75 count
These plates are actually better than I expected. I’ve used a lot of disposable plates that claim to be “heavy duty” and then immediately start bending the second you put real food on them, but these feel sturdier than the average cheap paper plate. The 9-inch size is a good everyday size too, big enough for a normal meal without feeling tiny, and I like the natural brown color because it looks a little nicer and less flimsy than plain white party plates. For cookouts, birthdays, quick dinners, or anything where I just do not want extra dishes, these have been really convenient.
What I like most is that they feel substantial without being overly thick or bulky. They hold up better than the thin paper plates that get soggy fast, and that matters a lot when there’s anything heavier or messier on them. I also like having a bigger pack on hand because disposable plates are one of those things that disappear faster than you think, especially with kids, parties, or just busy weeks. The compostable part is a nice bonus, but honestly what matters most to me is that they actually do the job and don’t feel like they’re going to fold in half in my hand.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Great Value and Very Durable Plates
Color: Brown, Size: 10 in - 75 count
These plates are a great value for the price considering the quantity and the quality you get. Getting 75 plates at this price point is already a win, but the durability makes them even better.
They’re biodegradable, which is a nice bonus, and they’re definitely not flimsy. These plates are stiff and sturdy — I can load them up with a pretty heavy plate of food and they still hold up without bending.
They also do really well in the microwave, which makes them even more convenient for everyday use or parties.
Overall, a really solid disposable plate option that’s durable, eco-friendly, and a great value.
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Reviewed in the United States on March 11, 2026
★★★★★ 3
A bit iffy on these plates
Color: Brown, Size: 9 in - 75 count, Color: Brown, Size: 9 in - 75 count
These plates are ok, but certainly not the best I've found.
On the positive side, they are what I'd consider "Lunch Size" an are somewhat sturdy. They'll hold a sandwich and chips with little effort so, as a plate, they do... plate.
Where I am a bit hesitant is in their molding an construction. You can see in my photos that there is significant staining/watermarking on the plates from the manufacturing process. This could be simply from the way the wet pulp was extruded and formed, but it honestly gives me a bit of the ick. Not that it's particularly gross, but it does make me wonder how sanitary the plates are or what binders might be leeching into my food.
In my last photo, you can see a comparison to a compostable plate that I really like. The finish is cleaner and the mold included an inner ridge which gives the plate more stability - making it less likely to flex under weight. Both are sugar cane fiber plates and my preferred plate is a few dollars more expensive for a comparable pack, but the clean appearance and extra rigidity make it worth the added spend in my opinion.
Ranking these 3-stars might lead some to think they're bad - and to be clear, I don't think they are. They're just adequate. If you're looking to save a few bucks on a compostable plate, these WILL get the job done. I would just shy away from using them with wet or acidic foods since they don't boast the highest quality of manufacture.
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Reviewed in the United States on March 12, 2026
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