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AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

2026-03-13

AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

ARD822-W2(868)

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ARD822-W2(868)

Wireless Panic Button

Key Points
    · Offers accidental press prevention.
    · Capable of being fixed on the board.
Sales Enquiry
Datasheet

Specifications

Function

Indicator Light

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

Remote Update

Cloud update

Button

2

Signal Strength

Yes

Low Battery Detection

Yes

Battery Level Display

Displays battery level on app

Wireless

Carrier Frequency

868.0 MHz–868.6 MHz

Communication Distance

Up to 1,200 m (3937.01 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)

Power Supply

1 × 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

EN 50131-1:2006+A1:2009+A2:2017+A3:2020

EN 50131-3:2009

EN 50131-6:2017

EN 50131-5-3:2017

Security Grade 2

Environmental Class II

Casing Material

PC + ABS

Protection

IP54

Technical

Operating Current

28 mA

Test Mode

Yes

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