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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
4.4 ★★★★★
Based on 2450 reviews
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Product Reviews
★★★★★ 5
Silk pillow cases that are a stitch above
Color: Beige, Size: 2 Pack Standard（20"X 26"）
These pillow cases are amazing. My family loves them. Great quality. They can be machine washed. I have purchased the more expensive brands but these are made from the same silk and have the same features like a hidden zipper for a fraction of the cost. They come in a variety of colors which is also an added bonus.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
So cozy!
Color: White, Size: King, Color: White, Size: King
I absolutely love this comforter! It's very cozy, soft, and fluffy! I bought it for a duvet that I have and it fits it perfectly. It has loops on all four sides to tie a duvet and comforter together, which is really helpful. This comforter is also breathable so it helps me sleep better at night because I'm not getting overheated. The color and appearance is true to the pictures it displayed. It also seems to be quite durable and good quality. I would definitely recommend for anyone needing a new cozy comforter!
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Must have!
Color: Light Grey, Size: Queen
⭐⭐⭐⭐⭐
This comforter is absolutely amazing! It feels like something you'd find in a luxury hotel—soft, lightweight, airy, and incredibly comfortable. It has quickly become one of the best purchases I've made. The quality exceeded my expectations, and it's perfect for staying cozy without feeling too heavy.
My kids love it so much that they're constantly trying to steal it from me! If you're looking for a comfortable, high-quality comforter, I highly recommend this one. You won't be disappointed!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Cozy, warm and not heavy
Color: White, Size: Queen
This blanket is great and for a fair price, so fluffy and it’s on the warmer side but not heavy, which is exactly what I wanted!
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Best cheap comforter I’ve ever purchased
Color: White, Size: King, Color: White, Size: King
The comforter made of super soft and comfortable! It’s definitely cat approved, my kitty immediately fell asleep on this amazing comforter. It was super cheap. It’s easy to clean and handles bleach great. Fits my duvet cover perfectly.
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Reviewed in the United States on May 6, 2026