ARD821-W2 Wireless Panic Button
The ARD821-W2 is a Dahua wireless panic button for AirShield alarm systems. It supports two-way RF communication, multi-colour LED status indication, accidental press prevention, IP54 protection and battery life up to 5 years when used twice a week.
It is intended for fast alarm triggering across scenarios such as homes, stores and commercial buildings. Wall mount or portable installation and app-visible battery level support make it practical for personal assistance, intrusion, fire, gas and medical alarm workflows where configured.
Key Features
- Provides a quick wireless panic trigger for multiple alarm scenarios.
- Uses accidental press prevention to reduce unintended activation.
- Gives visual device feedback through multiple LED colours.
- Supports wall-mounted or portable use depending on the site need.
- Reports battery level through the app for easier maintenance checks.
- Catalogue Family:
- ACCESSORIES
- Model:
- DHI-ARD821-W2
- Product Type:
- Accessories
- Carrier Frequency:
- 433.1 MHz-434.6 MHz
- Communication Distance:
- Up to 1,300 m in open space
- Battery Model:
- CR2032
- Battery Life:
- 5 years if used twice a week
- Material:
- Plastic
- Protection:
- IP54
- Installation:
- Wall mount; portable
- Operating Temperature:
- -10 C to +55 C indoor
- Gross Weight:
- 48 g
