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Description
Dahua DHI-HY-SA21A-W2(868) AirShield Draadloze RookmelderProductbeschrijving Dahua Wireless Smoke Alarm biedt batterijgevoede rookdetectie en alarmfuncties in n unit. Geavanceerde elektronica in combinatie met een foto elektrische rookdetectiekamer zorgen voor vroege detectie van rook en hoge immuniteit tegen ongewenste alarmen. Dit soort rookmelder heeft geen netvoeding nodig en is geschikt voor algemene residentile toepassingen. Tijdige melding van de rookmelder kan in realtime worden weergegeven op de
Productbeschrijving
Dahua Wireless Smoke Alarm biedt batterijgevoede rookdetectie en alarmfuncties in één unit. Geavanceerde elektronica in combinatie met een foto-elektrische rookdetectiekamer zorgen voor vroege detectie van rook en hoge immuniteit tegen ongewenste alarmen. Dit soort rookmelder heeft geen netvoeding nodig en is geschikt voor algemene residentiële toepassingen. Tijdige melding van de rookmelder kan in realtime worden weergegeven op de DMSS-app.
Specificaties
| Verzamelingstype | Rook |
| Bemonsteringsperiode | 10 seconden |
| Sensor Type | Photoelectric |
| Alarmtype | Rookmelder, storingswaarschuwing, waarschuwing voor lege batterij |
| Alarmvolume | 85dB–90dB(A) op 3 m (9,84 ft) |
| Alarmmodus | Visueel en hoorbaar alarm |
| Stiltefunctie | Ja |
| Stilteduur | Ongeveer 12 min |
| Alarmresponsdrempel | 0,2 dB/m2 - 0,3 dB/m2 |
| Indicatielampje | Rode en groene LED-indicator |
| Led-instructies | Stand-by: Groene indicator knippert eenmaal per minuut Alarm: Rode indicator knippert eenmaal per seconde Storing: Rode indicator knippert eenmaal per minuut Waarschuwing voor lage batterij: rode indicator knippert eenmaal per minuut |
| Dekkingsgebied | Wanneer de hoogte van de ruimte minder dan 8 m (26,25 ft) bedraagt, bedraagt het beschermingsgebied van een apparaat 20 m 2 -40 m 2 |
| Levensduur van de batterij | 3 jaar |
| Bedrijfsspanning | 3V CR123A lithiumbatterij (vervangbaar) |
| Bedrijfsstroom | Bewakingsstroom: ≤ 35uA Alarmstroom: ≤ 35mA |
| Bedrijfsomgeving | Binnen |
| Bedrijfstemperatuur | -10°C tot +55°C (+14°F tot +131°F) |
| Bedrijfsvochtigheid | ≤ 95% RV (niet condenserend) |
| Kleur | Wit |
| Behuizing | ABS |
| Afmetingen | φ98mm × H43,1mm (φ3,85" × H1,70") |
| Gewicht | 140 gram (0,30 pond) |
| Installatie | Plafondmontage |
| Certificeringen | TÜV en CE-gecertificeerd |
| Nalevingsnorm | EN 14604:2005+AC:2008 |
| Draaggolffrequentie | 868 MHz–868,3 MHz |
| Communicatie afstand | Tot 1000 m (3280,84 ft) in een open ruimte |
| Communicatiemechanisme | Tweerichtingsverkeer |
| Frequentieverspringing | Ja |
| Encryptiemodus | AES128 |
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
4.9 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
Glad I chose these Sturdy, Fluffy Pillows
Color: White, Size: 18x18 Inch
Took me forever to decide which pillows to buy....Price won out. There might be better out there, but I really can't see how. They plumped up really nicely. I once learned from a manager at a big box dept store when purchasing a goose down pillow how to 'activate' the pillow. Basically, he violently threw the pillow down onto the floor, then proceeded to beat the tar out of it....That's how it's done. I think many ppl don't do a good enough job when they get their pillows. I watched several videos from ppl who have purchased this type of pillow. And quite frankly, they do not know what they are doing....My pillows are very plump and awesome. I purchased the 20" squares and then chose 18" pillow covers to stuff them into. Perfection. Fat, soft, soothing pillows. Me and my Doggo are quite happy to lounge around on these durable puffs of fluffiness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Perfect! Soft and fluffy! Exact size!
Color: White, Size: 16x16 Inch
These little pillows are perfect! They exactly fit in a 16x16 pillowcase. They're very soft and fluffy!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Perfect
Color: White, Size: 12x12 Inch
These are great quality pillow inserts. They arrived very securely vacuum packed. Be careful when opening. I followed the directions and they were fluffy within a few minutes. They are small, but this is the size that I needed. I am glad that I didn’t order a few inches larger, as recommended by many. They fit perfectly in my 12x12 inch pillow covers. I would recommend this brand and seller for purchasing this product.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Fluffy and Supportive Pillow Inserts
Color: White, Size: 12x20 Inch, Color: White, Size: 12x20 Inch
I used these pillow inserts for my couch cushions, and they’ve worked out really well. They give my throw pillows a nice full look without being too stiff or flat, which makes the couch feel more put together and comfortable.
Filling quantity: They’re nicely filled and give good shape without feeling overstuffed.
Durability: They seem well-made and hold their shape well even after daily use.
Color: Clean, bright white that works well with different pillow covers.
Appearance: They make my decorative pillows look fluffy and full, giving the couch a more finished look overall.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Very Straightforward and Easy to Use
Reload type: One Time Reload
I have used this several times, and it has always been a smooth and convenient experience.
The biggest advantage is how intuitive the process is. Reloading the balance is simple, quick, and easy to understand without unnecessary steps or confusion.
It is especially useful for managing spending, setting a shopping budget, or keeping funds ready for future purchases. Instead of entering payment details every time, having balance available makes checkout faster and more convenient.
I also appreciate how quickly the funds are applied, allowing immediate use once the reload is completed.
This is one of those simple Amazon features that works exactly the way it should.
Overall, easy, efficient, and user-friendly. I have been very satisfied with it. Five stars.
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Reviewed in the United States on April 21, 2026
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