Dahua DHI‑ARD822‑W2 Wireless Panic Button with two programmable buttons, two‑way RF communication, accidental press prevention, cloud updates, and IP54 protection — ideal for home, commercial, and medical emergency alerts.

Product Description

The Dahua DHI‑ARD822‑W2 Wireless Panic Button is a compact, dual-button emergency device that provides reliable and immediate alarm notifications for intrusion, fire, gas leaks, or medical emergencies. Designed for fast and efficient response, this panic button communicates with alarm hubs using two-way RF communication with AES128 encryption and frequency hopping for secure, uninterrupted operation. With IP54-rated protection and accidental press prevention, it's ideal for apartments, villas, offices, stores, and healthcare environments. This unit supports remote cloud updates, app-based battery monitoring, and flexible mounting or portability for versatile deployment.

What’s Included in the Box

• 1 × Dahua DHI‑ARD822‑W2 Wireless Panic Button

• Installation accessories

• User manual

Main Features

• Dual Programmable Buttons: Trigger different alarm types (e.g., intrusion, fire, medical) from a single device.

• Two-Way RF Communication: Real-time signal acknowledgment ensures reliability.

• Multi-Color LED Indicators: Clearly display pairing, signal strength, and operational status.

• Cloud Update Support: Easily update firmware remotely, with auto-recovery from failed updates.

• Accidental Press Prevention: Prevents false alarms in high-traffic or portable use scenarios.

• Secure Communication: Utilizes AES128 encryption and frequency hopping to avoid signal interference.

• Portable or Mounted: Suitable for handheld use or permanent wall installation.

• App Integration: Displays battery status and connection health via mobile app.

Detailed Specifications

Wireless Communication

• Frequency Range: 433.1 MHz – 434.6 MHz

• Communication Distance: Up to 800 m (open space)

• Mechanism: Two-way with frequency hopping

• Encryption: AES128

• Signal Strength Indicator: Yes

• Test Mode: Yes

Power & Battery

• Battery Type: CR2032

• Battery Life: Up to 3 years (with twice-weekly usage)

• Operating Current: 28 mA

• Low Battery Detection: Yes

• Battery Level Display: Via Dahua mobile app

Design & Environmental

• Operating Temperature: –10 °C to +55 °C

• Operating Humidity: 10% – 90% RH

• Protection Level: IP54 (dust & splash resistant)

• Casing Material: Durable PC + ABS

• Certifications: CE

• Dimensions: 55 × 36 × 14.2 mm

• Net Weight: 18 g

• Gross Weight: 48 g

• Packaging Dimensions: 95 × 59.5 × 30.5 mm

• Mounting Options: Wall-mount or portable

Warranty Information

• Standard manufacturer's warranty

• Local warranty support available through Dahua-authorized distributors in Australia and New Zealand

Brand Overview

Dahua Technology is a world-renowned security and surveillance brand known for cutting-edge solutions in video, access control, and alarm systems. Dahua products are trusted for their reliability, innovation, and compliance with global standards.

SKU

DHI‑ARD822‑W2

Practical Use Scenarios

✔ Medical Emergency Response: Ideal for aged care and assisted living environments where residents need discreet emergency assistance.
✔ Retail & Office Security: Enables staff to send silent alarms during security incidents or thefts.
✔ Home Safety: Easily alerts family members or monitoring centers during emergencies like break-ins or gas leaks.
✔ Portable Alarm Option: Carry it as a personal security device for mobile alerts.

Datasheets & Resources

• Product Datasheet
  

Excellence for the Australian and New Zealand Market

The Dahua DHI‑ARD822‑W2 Wireless Panic Button is fully RCM-certified and tailored to meet the operational, environmental, and safety standards of Australia and New Zealand. Sourced via authorized distributors, it is backed by local warranty and technical support, with firmware updates handled securely through Dahua’s cloud infrastructure. Ideal for both residential and commercial users in the ANZ region, it ensures secure performance and peace of mind.

FAQs

1. What is the Dahua DHI‑ARD822‑W2 Wireless Panic Button used for? (Product Code: DHI‑ARD822‑W2)
The DHI‑ARD822‑W2 is used to quickly trigger emergency alarms such as intrusion, fire, gas leaks, or medical alerts, with real-time notifications sent to a monitoring center or mobile devices.

2. How many buttons does the DHI‑ARD822‑W2 have? (Product Code: DHI‑ARD822‑W2)
It has two programmable buttons, allowing users to assign different alarm types or actions.

3. What is the communication range of the DHI‑ARD822‑W2? (Product Code: DHI‑ARD822‑W2)
It communicates up to 800 m in open space using two-way RF technology with AES128 encryption.

4. Is the DHI‑ARD822‑W2 water-resistant? (Product Code: DHI‑ARD822‑W2)
Yes. It is IP54-rated, making it dustproof and resistant to water splashes — suitable for indoor environments.

5. Can the DHI‑ARD822‑W2 be updated remotely? (Product Code: DHI‑ARD822‑W2)
Yes. The device supports cloud-based remote firmware updates and automatic recovery from failed updates.