Dahua ARD821-W2(868) | AirShield Wireless Emergency Button | 1-Button | White

Dahua ARD821-W2(868) — Wireless 1-button emergency button for immediate alarm activation via AirShield

The Dahua ARD821-W2(868) is a wireless 1-button emergency button from the AirShield series that sends an SOS alarm directly to the AirShield Hub in an emergency, along with a push notification to a smartphone via the Dahua DMSS app. Its compact size (55 × 36 × 14 mm) makes the button easy to place on a table, mount on a wall, or keep near vulnerable individuals. The button communicates via 868MHz and Wi-Fi for a stable and reliable connection.

Key features

• 1-button emergency button — immediate SOS alarm in an emergency with a single press
• 868MHz and Wi-Fi connectivity for a stable connection to the AirShield Hub
• Immediate push notification via the Dahua DMSS app upon activation
• Compatible with the Dahua AirShield Hub and all AirShield systems
• Fault detection and communication encryption
• Compact size: 55 × 36 × 14 mm — easy to place or carry
• Indoor use — white finish
• 3-year warranty

Applications

• Personal emergency alarm for elderly or vulnerable individuals
• Pan ic button at the front or back door of homes
• Extension for existing Dahua AirShield installations
• Professional installations where an immediate emergency call with one button is essential