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Receive calls from door stations with door release
allowing video recordings to be stored directly on the device without requiring a separate recorder
it allows users to quickly locate critical moments
308 mm × 293 mm × 123 mm (12
the installer and the end-user
Dahua AirShield Wireless 1x Button Panic Alarm 433MHz 1x Cr2032 - DHI-ARD821-W2 Camera Resolution_16-Megapixel Receive calls from door stationsThe DHI ARD821 W2 is a compact wireless panic button designed to instantly alert monitoring centers or caregivers during emergencies. Whether its an intrusion, fire, gas leak, or medical crisis, this button delivers reliable, encrypted communication with visual LED feedback and accidental press prevention. Built for versatility and quick deployment, its ideal for personal safety across a range of indoor environments. Key Features Multi Scenario
US$ 85.99
US$ 85.99
US$ 5176.50
