SKU: 22736993415

DAHUA ARD821-W2 Wireless Panic Button

Sale price$450000.00 Regular price$500000.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

DAHUA ARD821-W2 Wireless Panic ButtonARD821 W2 Wireless Panic Button > Two way RF communication. > Provides multiple LED colors to indicate different statuses. > Cloud update and automatic recovery from update failure. > Offers accidental press prevention. > Battery life up to 5 years if used twice a week. > IP54 rated. Product Data Function Indicator Light 1 for multiple statuses (pairing, communication, and more) Remote Update Cloud update Button 1 Signal Strength Yes Low Battery

ARD821-W2

Wireless Panic Button

> Two-way RF communication.
> Provides multiple LED colors to indicate different statuses.
> Cloud update and automatic recovery from update failure.
> Offers accidental press prevention.
> Battery life up to 5 years if used twice a week.
> IP54 rated.



Product Data

Function

Indicator Light

1 for multiple statuses (pairing, communication, and more)

Remote Update

Cloud update

Button

1

Signal Strength

Yes

Low Battery Detection

Yes

Battery Level Display

Displays battery level on app

Wireless

Carrier Frequency

433.1 MHz–434.6 MHz

Communication Distance

Up to 1,300 m (4,265.09 ft) in an open space

Communication Mechanism

Two–way

Encryption Mode

AES128

Frequency Hopping

Yes

General

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F) (indoor)

Operating Humidity

10%–90% (RH)

Battery Model

CR2032

Battery Life

3 years (if used twice a week)

Product Dimensions

55 mm × 36 mm × 14.2 mm (2.17" × 1.42" × 0.56") (L × W × H)

Packaging Dimensions

95 mm × 59.5 mm × 30.5 mm (3.74" × 2.34" × 1.20") (L × W × H)

Installation

Wall mount; portable

Net Weight

18 g (0.04 lb)

Gross Weight

48 g (0.11 lb)

Certifications

CE

Casing Material

PC + ABS

Protection

IP54

Technical

Operating Current

28 mA

Test Mode

Yes

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: 22736993415

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4.0 ★★★★★
Based on 15 reviews
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Product Reviews
T
Verified Purchase
Teresa Zerbe
Port Orchard, US
★★★★★ 5
Worth the money
Size: 11"×17" 20Sheets & 8.5"×11" 10Sheets, Color: Teflon Paper
Works as stated however cut to just bigger than your ironon image. They aren't reusable. My images were on the paper so I didn't reuse. But they worked wonderfully
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
M
Verified Purchase
Mary Holmes
Battle Creek, US
★★★★★ 4
Too many small ones
Size: 11"×17" 20Sheets & 8.5"×11" 10Sheets, Color: Teflon Paper
Wish there were more large ones
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
A
Verified Purchase
Amil andrade
Charlottesville, US
★★★★★ 5
Excelente producto
Size: 11"×17" 20Sheets & 8.5"×11" 10Sheets, Color: Teflon Paper
Pensé que era un poco más grande pero es súper bueno este producto
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
S
Verified Purchase
Sonnya Wilkins
Fort Morgan, US
★★★★★ 5
🧵✨ Teflon Paper: The Unsung Hero of Appliqué Chaos
Size: 11"×17" 20Sheets & 8.5"×11" 10Sheets, Color: Teflon Paper
If you’re like me and enjoy assembling 37 microscopic pieces of fabric into something that hopefully resembles a dog, person, or llama in a sweater—this stuff is magic. I use it to build my appliqué masterpieces one tiny ironed layer at a time. The best part? Once your Franken-dog is assembled, you can just slide it off and fuse it to your quilt like a boss. No sticking, no scorched disasters—just smooth, glorious precision. Honestly, I love it more than I love some people.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 5, 2025
K
Verified Purchase
kelroy Richardson
Houston, US
★★★★★ 5
Good
Size: 11"×17" 20Sheets & 8.5"×11" 10Sheets, Color: Teflon Paper
I am satisfied with this product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026

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