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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
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Toughest ball of this type.
Color: Blue
My dogs are brutal with these toys. I really like them as the spikes act as a tooth brush, and the dogs love knawing on them. There are other spiked balls like this on amazon, but this one is of better quality. It lasts a lot longer. The squeaker does not last long, the dogs teeth push it into the ball, you can hear it rattling around in there.
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Reviewed in the United States on December 1, 2025
★★★★★ 4
Very good for aggressive chewers
Color: Red, Blue, Green, Yellow
Finally found ball that my aggressive chewer doesn't destroy. Has loud squeaker however he broke after 4 days. Probably better, noise gone. Very sturdy and he loves. Also big so doesn't roll under furniture.
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Reviewed in the United States on January 25, 2025
★★★★★ 5
Durable
Color: Purple
I bought this for my 80lb 1yr American Bully male,who has made it his mission to test all the toys his dad and I have bought. Now I have 3 other American Bullies, siblings 3yr old 2 females/1male, who did the same at that age and I mastered toy shopping or so I thought. Lol. My new pup loves balls and this is the only one he firstly can't fit completely in his mouth and can't tear it apart. He has tired!
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Reviewed in the United States on May 6, 2026
★★★★★ 5
My Dogs Loved Them!
Color: Purple
My dogs loved these for playing fetch. They seem heavier duty than previous ones I have had. Beware of the incoming constant squeak sounds if your pup gets really into chewing it.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Shockingly, good ball!
Color: Purple, Color: Purple
I have a Doberman. She is a ball and toy destroyer. She is the most obsessive retriever I’ve ever had. Her retrieving urge, and indefatigability, puts my golden retriever to shame. Because of this, we throw the ball all the time. She is primarily an indoor dog and we have to exhaust her energy and so throwing the ball is how this is done. I got these balls in an effort to try to find something that would last longer than a few days. I have now had these 2 balls for six weeks. They are both still alive! It literally blows my mind. When I bought them, we took bets on how long they would last. I gave it a week. I lost my bet. I got the extra large size. It’s perfect for the giant jaw span of a full grown Doberman. It squeaks, which is irritating to us, but what she loves. She can lay there and chew on it and still not destroy it. They’re very heavy ball and bounce, so you have to be careful throwing it in the house cause you could hurt breakables. Whoever said that these feel like they came from the dollar tree must have been talking about something else. They are thick and sturdy balls.
UPDATE: it has now been THREE MONTHS and our Doberman STILL has not destroyed these 2 balls. We play with them many times each day. WORTH EVERY PENNY
ADDITIONAL UPDATE: it’s now been nine months. Took this photo this morning. We still have the balls and have since ordered two more. She chews on it multiple times every day. There’s a little hole in it now and it doesn’t squeak anymore but it’s 98% intact and still essentially indestructible. These balls are worth gold.
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Reviewed in the United States on March 27, 2023