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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
- 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
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Results after one use!
I know different products work differently for each person. However, I really noticed a difference in lightening of my facial freckles in one use!
I am a pale redhead with tons of sunspots and freckles. I was not taught to use spf as a child and have tons of spots on arms, chest, and face. As I get older, they have really started to bother me and age me.
I tried the orange version of this soap years ago and really didn’t see any change. I was reluctant to try this white version, but it was affordable, so I did.
I could not believe my face after one use! Overall complexion was lighter and my biggest sun spots diminished. I kept noticing results each day after using.
My arms - which are just covered with freckles - I didn’t see much lightening improvement but I think I will over time. They are just really severe cases. But I can see it working on my face, so certainly my arms will follow.
Also, I know this sounds weird - but my elbows became soft and silky! Without lotion! I was amazed! My elbows have never felt that good! Even with scrubs and body oils. I looked like a freak petting my elbows all day. It must be the exfoliating and moisturizing properties of this. Magic.
I am sad because I had to stop using them temporarily but no fault of the product. I’ve been having SEVERE hormonal, post-pill acne. I have been hesitant to put this on my face now because I’m afraid it may make it worse. But..seeing some of these reviews maybe it may help heal it. It’s horrible anyway..why not try to reintroduce it? Hmm.
Anyway, try it! What have you got to lose? I am very very very impressed with this white version!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2021
★★★★★ 5
Fresh scent and works
Very clean scent. Lathers amd rinses well. Excellent head to toe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 4
Nice
It was a good to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
★★★★★ 3
Not that creamy texture I’m used to.
This isn’t the “white” Loki soap I was hoping for. It used to be more of an off white color and really had a sudsy, creamy texture. I have a hard time getting any creamy suds from this one.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
I saw a difference with even one use.
I've struggled with dark marks from skin issues since childhood, and this soap made a noticeable difference in evening out my skin tone. It doesn't feel stripping like other brightening soaps I've tried, and my skin actually feels more hydrated after use. The lather isn't particularly luxurious, but that never mattered much to me. It's a plain white bar nothing special to look at but it smells nice. Would recommend for anyone dealing with hyperpigmentation or uneven tone.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
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