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Description
Dahua DHI-ARC3800H-W2(868) AirShield Wi-Fi Draadloze Alarmhub 2Productbeschrijving De Alarmhub beheert de draadloze alarminstrumenten in uw systeem om u te waarschuwen wanneer deuren kapot gaan, ramen worden geopend, glas breekt, er brand uitbreekt of er waterlekken optreden. Bij een inbraak waarschuwt de hub zowel de alarmontvangstcentrale als de mobiele app (DMSS of DoLynk Care) en verzendt video's van de PIR camera en IPC om u op de hoogte te houden van gebeurtenissen zonder dat u persoonlijk toezicht hoeft te
Productbeschrijving
De Alarmhub beheert de draadloze alarminstrumenten in uw systeem om u te waarschuwen wanneer deuren kapot gaan, ramen worden geopend, glas breekt, er brand uitbreekt of er waterlekken optreden. Bij een inbraak waarschuwt de hub zowel de alarmontvangstcentrale als de mobiele app (DMSS of DoLynk Care) en verzendt video's van de PIR-camera en IPC om u op de hoogte te houden van gebeurtenissen zonder dat u persoonlijk toezicht hoeft te houden.
Specificaties
| Draadloze zone | 150 kanalen draadloze randapparatuur (6 sirenes, 64 PIR-camera's (alleen 8 PIR-camera's voor binnen), 64 sleutelhangers, 8 toetsenborden en 4 repeaters) |
| Netwerkmodus | Ethernet en wifi |
| Netwerkpoort | 1 RJ-45, 10 Mbps/100 Mbps Ethernet-poort. |
| Opslagbatterij | Eén ingebouwde oplaadbare lithiumbatterij van 4.750 mAh. |
| Video-ingang | 8-kanaals IPC, die alleen het uploaden van alarmvideo's ondersteunt. |
| Audio-uitvoer | 1 kanaal |
| Volumeregeling | Ja |
| Stemuitzending | Lokale spreker |
| Indicatielampje | De indicator geeft de status van alarmen, in en uitschakelen, de netwerkverbinding en apparaatstoringen aan. |
| Knop | Bevat een resetknop, spanningsknop en AP-schakelknop. |
| Videoverbinding | Ja |
| Offline-cache | Slaat maximaal 50 alarmmeldingen op. |
| Bewapenen en ontwapenen | App, toetsenbord, afstandsbediening, kaart, gepland in en uitschakelen. |
| Op afstand updaten | Cloud-update |
| Detectie van een lege batterij | Ja |
| Sabotage | Ja |
| Gebruikersbeheer | 33 app-gebruikers (31 algemene gebruikers, 1 beheerder en 1 installateur) en 32 toetsenbordgebruikers |
| Logboeken | Tot 5.000 vermeldingen |
| Transmissieprotocol | SIA, SoftGuard |
| Carrier Frequency | 868,0–868,6 MHz |
| Zendervermogen (EIRP) | Limiet 25 mW |
| Communicatiemechanisme | Tweerichtingsverkeer |
| Communicatie afstand | Tot 2.000 m (6.561,68 ft) in een open ruimte. |
| Encryptiemodus | AES128 |
| Frequentieverspringing | Ja |
| Taal | Engels |
| Stroomvoorziening | 100–240 V wisselstroom, 50/60 Hz |
| Standby-tijd | De batterij gaat tot 12 uur mee als deze volledig is opgeladen en voldoet aan de volgende voorwaarden: Er is verbinding met wifi, de ID is gekoppeld aan de alarmcentrale, het hartslaginterval is 1800 seconden en er is verbinding met 8 randapparaten en de cloud. |
| Stroomverbruik | ≤12W |
| Bedrijfstemperatuur | Wanneer de batterij niet wordt opgeladen: –10 °C tot +55 °C (+14 °F tot +131 °F) Wanneer de batterij wordt opgeladen: 0 °C tot +45 °C (+32 °F tot +113 °F |
| Bedrijfsvochtigheid | 10%–90% (RV) |
| Productafmetingen | 174,8 mm × 174,8 mm × 38,3 mm (6,88” × 6,88” × 1,51”) (L × B × H) |
| Netto gewicht | 510 gram (1,12 pond) |
| Brutogewicht | 860 gram (1,90 pond) |
| Installatie | Geschikt voor wand en bureaubladmontage. |
| Behuizingsmateriaal | PC + ABS |
| Certificeringen | CE |
| Corrosiewerend niveau | Basisbescherming |
| Opslagtemperatuur | –10 °C tot +55 °C (+14 °F tot +131 °F) |
| Opslagvochtigheid | 10%–90% (RV) |
| Verpakkingsafmetingen | 254 mm × 211 mm × 61 mm (10,00” × 8,31” × 2,40”) (L × B × H), los in de binnendoos 524 mm × 508 mm × 442 mm (20,63” × 20,00” × 17,40“) (L × B × H), beschermhoes |
| Wi-Fi-standaard | IEEE 802.11b/g/n |
| Wi-Fi-frequentiebereik | 2400-2483,5 MHz |
| Wi-Fi-stroomoverdracht | ≤20 dBm bij 2400-2483,5 MHz |
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
4.5 ★★★★★
Based on 1428 reviews
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Product Reviews
★★★★★ 3
Love it but it stains
Color: Haze Blue, Size: 2 Pack Standard（20"X 26"）
I love these but had to knock some stars down for a single reason. They are soft, the material is somehow both substantial and airy at the same time, and a smooth, silky (not satin), cozy texture. The color was exactly as pictured. The envelope style works great to keep my pillows covered. The fabric lays perfectly. I love sleeping on this pillow case.
Took two stars off because every single atom of oil on my face stained it immediately and won't come out in the wash. Its not subtle. You can see anywhere my face has been, forever. I don't have some incredibly oily face or hair, I've never had this happen to another pillow case in my life.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Good buy
Color: Navy Blue, Size: Body（20"X 54"）
Nice and soft , well packaged and looks good. Kinda pillowcase you find in a luxury hotel
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Silky and Soothing
Color: Cream, Size: 2 Pack Queen（20"X 30"）
I thought I was getting 1 of the queen sized but I got 2. I got these for my Pomeranian's fuzzy pillow. He's always hot and these are very cooling and very good quality. He loves them and are very comfortable for him. They totally transformed his shaggy old pillow. I used the larger body pillow covers to replace the covers I had. They matched my bedspread perfectly. I use 2 body pillows along the exterior wall in my bedroom where there is cold coming through the floor in the winter. I'm sure I will enjoy them in the summer when it's hot too!
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Reviewed in the United States on January 10, 2026
★★★★★ 5
So soft and amazing quality
Color: 12 - Light Beige, Size: Twin
I can't tell you if they're cooling or not yet. The weather took a turn for the cold so I haven't put them on the bed yet. But the quality..omg it's exceptional! These are insanely soft! Not slippery like satin but not scratchy like percale. They're like the best of both worlds..light as satin but nicely weighty like percale. I don't know what kind of sorcery this is but these are literally better than those 6-zillion count Egyptian cotton sheets that cost more than the GDP of a small nation. These are exceptional!! Soft as butter but still feel like they'll last a while and not let you fall out of bed like silk lol.
When you fold them, they snap nicely.
They seem to have a lived in look..like they'll never be utterly wrinkle-free but who cares..they're smooth, soft and supposed to be cooling.
I never thought I'd find anything more comfortable than cotton sheets but these are even better.
The colors are ok. Pretty basic but they are true to life..some others look different online than when you get them..not these colors online are accurate.
This was a great deal and I'd recommend a thousand times over!
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Cool and Comfy
Color: 01 - Dark Grey, Size: Queen
I bought these sheets based on reviews and price. Very pleased with quality. Definitely cooling and comfortable to lay on. Very smooth, almost satiny, to touch. Got in dark gray, color very pretty. Great quality for the price.
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Reviewed in the United States on June 7, 2026