Available: Mon—Fri, 08:00—17:00 | Closed on weekends & public holidays
Discover 24,000+ Products | https://www.bobshop.co.za/store/FirstShop
Brand New & Sealed with Manufacturer Warranty
Dahua ARD821-W2(868) Wireless Panic Button
The Dahua ARD821-W2(868) is a wireless panic button designed to provide immediate emergency alarm activation within Dahua AirShield wireless security systems. With a single press, users can instantly trigger an alarm and notify designated responders, making it ideal for personal safety, medical assistance requests, and emergency security situations.
Its compact and portable design allows it to be carried as a pendant, worn on a lanyard, or mounted in a fixed location for quick access. Featuring secure two-way wireless communication, AES128 encryption, and long battery life, the panic button delivers dependable emergency signalling in residential, commercial, healthcare, and assisted-living environments.
Features:
- One-touch emergency alarm activation
- Compatible with Dahua AirShield wireless alarm systems
- Two-way wireless communication
- AES128 encrypted transmission
- Frequency hopping technology for enhanced reliability
- Portable and lightweight design
- Wearable as a pendant or lanyard
- Wall-mountable installation option
- LED status indication
- Signal strength monitoring
- Low battery notification
- Cloud firmware updates via compatible alarm hub
- Water-resistant design for everyday use
Specifications:
Product Type: Wireless Panic Button
Function: Emergency Alarm Trigger
Wireless Frequency: 868.0 MHz — 868.6 MHz
Communication Type: Two-Way RF Communication
Communication Range: Up to 1,400m (Open Space)
Encryption: AES128
Frequency Hopping: Yes
Status Indicator: LED Indicator
Battery Type: CR2032 Lithium Battery
Battery Life: Up to 5 Years
Low Battery Detection: Yes
Signal Strength Detection: Yes
Tamper Protection: Yes
Installation Options: Portable, Pendant, Wall Mount
Operating Temperature: -10°C to +55°C
Operating Humidity: Up to 95% RH (Non-Condensing)
Dimensions: Approximately 55 × 36 × 16.2mm
Weight: Approximately 25g
