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Dahua

Wireless Panic Button

Name: Wireless Panic Button
Brand: Dahua
SKU: ARD822-W2

Stock Code: ARD822-W2

Triggers an emergency alarm with a single press.

A two-button panic button for wireless alarm systems. It works two-way in the 433.1 MHz – 434.6 MHz band, encrypts with AES128, and its IP54 rating suits both wall mounting and portable use.

2 buttonsAlarm buttons

433.1 MHz – 434.6 MHzCarrier frequency

AES128Encryption mode

1 × CR2032Battery

IP54Protection

Key features

Two-way RF communicationCommunicates over two-way RF and keeps the link stable through frequency hopping.

Multi-color LED indicatorA single indicator light separates pairing, communication, and operation states with different colors.

Accidental press preventionThe button carries a structure that prevents accidental presses.

3-year battery lifeRuns on 1 × CR2032 battery and lasts 3 years when used twice a week.

IP54 protectionIP54 rated, it supports wall mounting and portable use together.

Cloud updateTakes updates over the cloud and recovers automatically from a failed update.

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	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)
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
Casing Material	PC + ABS
Protection	IP54
Technical
Operating Current	28 mA
Test Mode	Yes

Datasheet

ARD822-W2

pdf11/3/2022

Kullanım Kılavuzu

ARD822-W2

pdf11/3/2022

ARD822-W2

pdf11/3/2022

Teknik Çizim

Fotoğraf

ARD822-W2

png4/2/2025

ARD822-W2

png4/2/2025

Wireless Panic Button

Stock Code: ARD822-W2

Triggers an emergency alarm with a single press.

A two-button panic button for wireless alarm systems. It works two-way in the 433.1 MHz – 434.6 MHz band, encrypts with AES128, and its IP54 rating suits both wall mounting and portable use.

2 buttonsAlarm buttons

433.1 MHz – 434.6 MHzCarrier frequency

AES128Encryption mode

1 × CR2032Battery

IP54Protection

Key features

Two-way RF communicationCommunicates over two-way RF and keeps the link stable through frequency hopping.

Multi-color LED indicatorA single indicator light separates pairing, communication, and operation states with different colors.

Accidental press preventionThe button carries a structure that prevents accidental presses.

3-year battery lifeRuns on 1 × CR2032 battery and lasts 3 years when used twice a week.

IP54 protectionIP54 rated, it supports wall mounting and portable use together.

Cloud updateTakes updates over the cloud and recovers automatically from a failed update.

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	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)
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
Casing Material	PC + ABS
Protection	IP54
Technical
Operating Current	28 mA
Test Mode	Yes