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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
4.1 ★★★★★
Based on 1250 reviews
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Product Reviews
★★★★★ 5
Great moisturizer
Style: Deep Moisturizing, Size: 1.76 Fl Oz (Pack of 1)
This is a great product! The consistency is thick, but not heavy. No overwhelming fragrance. Applies easily and is absorbed quickly. Would definitely purchase again.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
NO REGRETS NO FRETS 🙂
Size: 2 Ounce (Pack of 1), Color: Tallow
Love it. Nothing bad. Soft, creamy, absorbs amazingly well, no odor, does wonders for back of hands from frequent hand washing, can fill a crack in skin with the tallow to heal a dryness related wound. Wash hands dry and the warm water and some soaps can strip skin oil and use this tallow to seal and/or replace moisture in your hands! No greasy issues. Truly a lifetime pick and my jar has easily another month usage and had it so far at least two months. Just a dab on back of palms and rub and work up on forearm and elbow. You will not be disappointed using it. I keep near the sink to remind me 🙂
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Great product
Size: 2 Ounce (Pack of 1), Color: Tallow
Love this stuff, putting it on daily makes for very soft skin and it doesn't clog pores as I have been using it on my face without issue.. Its not like most animal made products it's not greasy it's actually very consistent and lasts all day
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Reviewed in the United States on May 28, 2026
★★★★★ 4
My new favorite moisturizer
Size: 2 Ounce (Pack of 1), Color: Tallow, Size: 2 Ounce (Pack of 1), Color: Tallow
This is the best moisturizer I’ve ever used on my hands. I struggle with dry hands in the winter from the cold and constant handwashing, so I’m always having to put moisturizer on to combat the dryness. My fiancé had started using beef tallow on his face (another more expensive brand) and was raving about it so I went searching on Amazon to get my own bottle. I chose this one based on the ingredients and the good reviews, as well as the price point. I love the way it melts into your hands leaving them silky smooth with no residue, greasiness, or stickiness. The reason that I deducted one star was because I felt the advertisement on Amazon was misleading. If you read the headline it makes it sound like the product has all organic ingredients. When I read the ingredient list once I received the product, the only ingredient that was listed as organic in the formula was the beeswax. I still love the product and I already bought another bottle, but I thought it was worth mentioning as I know that using 100% organic products is important to some people. I still highly recommend this product based on its effectiveness.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
My skin feels nourished and radiant ✨
Size: 2 Ounce (Pack of 1), Color: Tallow
I’ve been using this balm for a little while now, and the difference is subtle but real. The texture is incredibly smooth and melts easily into my skin without feeling greasy. I can tell it’s made with really high-quality ingredients because it absorbs beautifully and leaves my skin feeling nourished immediately.
Since I started using it, the areas that usually feel dry—my hands and the sides of my face—are softer and more supple. Even the little cracks and rough patches have improved, and my skin looks and feels renewed and radiant. It’s not an overnight transformation, but it’s a steady, noticeable change that makes my skin feel healthy and cared for.
What I love most is how it strengthens my skin barrier. My skin feels more resilient and comfortable throughout the day, even in dry or cold weather. It’s like it quietly restores balance and keeps my skin happy without any heaviness or stickiness.
Using this balm has made my daily skincare feel a little more nurturing and confident—my skin looks smoother, softer, and truly glowing 🐝💛
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Reviewed in the United States on March 23, 2026