Dahua ARD822-W2-868 wireless panic button dual-button 868 MHz two-way RF communication IP54 LED status indicators accidental press prevention battery level display white

Dahua ARD822-W2-868 is a wireless panic button with two buttons designed for fast alarm activation in security systems. It uses 868 MHz two-way RF wireless communication with data encryption and provides IP54 protection against dust and splashes, while visually indicating status via LED signals. []

Key Advantages

• 868 MHz two-way RF communication → reliable alarm signal transmission to receivers and control panels

• Two buttons → flexible panic signal activation for different situations

• LED status indication → clear visual feedback on status and modes

• Accidental press prevention → reduces false alarm activation

• AES128 data encryption → secure wireless communication protection

• Frequency hopping technology → more stable transmission without interference

• IP54 protection rating → protection against dust and splashes for indoor use

• Battery level LED indication in the app → quick battery status check

Technical Specifications

• Type → wireless panic button

• Model → ARD822-W2-868

• Wireless protocol → 868.0 MHz–868.6 MHz RF (two-way)

• Communication range → up to ~1200 m–1400 m in open space

• Number of buttons → 2

• Data encryption → AES128

• LED indicators → multiple colors for status indication

• Power supply → 1 × CR2032 3 V battery

• Battery life → approximately up to 3 years (with limited activations)

• Protection rating → IP54

• Operating temperature → –10 °C to +55 °C

• Dimensions → 55 × 36 × 14.2 mm

• Weight → approximately 18 g (without battery)

• Housing material → PC + ABS

Compatibility

• Compatible with Dahua wireless security control panels and systems that support 868 MHz RF alarm devices

• Not intended for direct connection to incompatible RF systems without 868 MHz wireless protocol support

How to Use

• Install the button in a convenient, accessible indoor location or on a wall

• Pair it with a Dahua security system main unit (e.g., a controller)

• Make sure the LED indicators confirm successful transmission and connection

• To trigger an alarm, press one of the buttons in the required situation

• Regularly check the battery level via the system app

Why Choose This Product
Dahua ARD822-W2-868 combines secure RF wireless technology with a compact design and high IP54 protection, enabling fast and reliable alarm activation in emergency situations. LED status indication and battery level display in the app make it easy to manage, while AES128 encryption and frequency hopping technology provide a stable and secure connection.

Real-World Usage Scenarios

• Home security — fast alarm sending to family or security service

• Office premises — protecting staff in a crisis situation

• Shops or small business sites — immediate request for assistance

• Care facilities — quick activation of a health or assistance signal

Package Contents

• Dahua ARD822-W2-868 wireless panic button

• CR2032 battery (installed in the device)

• Mounting accessories (if provided)

About the Brand
Dahua Technology is a global security technology manufacturer offering smart and reliable wireless alarm solutions with a focus on connectivity, stability and security, providing broad ecosystem integration across different security system types.