SKU: 6316387205

DAHUA®|ARD2251E-W2(868)|3 YR WTY. Airshield Wireless Outdoor Triple-Tech PIR/Microwave Detector

Sale price$139.50 Regular price$155.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

DAHUA®|ARD2251E-W2(868)|3 YR WTY. Airshield Wireless Outdoor Triple-Tech PIR/Microwave DetectorWireless Triple Tech Detector performs high precision detection using PIR, microwave detection technology, optical technology and intelligent algorithms. It also eliminates interference caused by small animals, the ambient temperature and changes in the light to ensure that the detector accurately recognizes when people move, even in complex environments. When combined with the camera module, its capabilities expand allowing you to both monitor your

Wireless Triple-Tech Detector performs high precision detection using PIR, microwave detection technology, optical technology and intelligent algorithms. It also eliminates interference caused by small animals, the ambient temperature and changes in the light to ensure that the detector accurately recognizes when people move, even in complex environments. When combined with the camera module, its capabilities expand allowing you to both monitor your scene through videos and images, and check alarms in real time. You also receive alarm notifications when alarms are triggered, so that you can stay up to date on the situation of your site.

Specifications

  • Support anti-masking detection.
  • Support moving detection to prevent someone move or detach device.
  • Support the installation of camera modules to form PIR-Cam to implement video verification.
  • Pet immunity: up to 80 cm, 40kg.
  • Support environment temperature monitoring.
  • Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable.
  • Features cloud update. You can also remotely update the device on the mobile app.
  • Offers a dual backup system, and uses auto recovery when an update fails.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 6316387205

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4.7 ★★★★★
Based on 11 reviews
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Product Reviews
S
Verified Purchase
scott
Alexandria, US
★★★★★ 1
Monitor and Power stopped working.
Worked for a couple months then the monitor would go out. Consistently after laptop went to sleep. Would have to unplug the hub and then plug in again to to get working. Then the power thru stopped working. Very disappointing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
K
Verified Purchase
K K
Carnegie, US
★★★★★ 3
Warranty issue
Caution when punching Anker products. If it is not direct from Amazon they will not warranty it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
Y
Verified Purchase
YuQin Ma
Alexandria, US
★★★★★ 5
Anker never disappoints
I've been using this for the past 3 days, and I have to say it's way better than my previous 10-port USB-C hub, which had stopped working. I like the design of this new hub, where the HDMI, PD, and Ethernet ports are all in the same area and located at the back. In comparison, my previous hub had its ports scattered all over the place. This hub only gets lightly warm, whereas my previous one used to get super hot, which I think might have contributed to its failure. I appreciate the fact that it has a power light to indicate when it's on. It's also more compact, which I like. I've had no issues with my other Anker devices, and so far I'm really liking this hub.
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Reviewed in the United States on August 30, 2024
R
Verified Purchase
RBCrissVG
Omaha, US
★★★★★ 5
Works great
Style: 5-in-1 Display Hub
Very nice.
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Reviewed in the United States on June 2, 2026
M
Verified Purchase
Marlon H Sellow
Cuba, US
★★★★★ 5
Connect multiple USB-C item to MacBook
Style: 5-in-1 Display Hub
Good to connect multiple usb ports to MacBook
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Reviewed in the United States on May 13, 2026

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