Dahua DHI-ARD821-W2(868) Wireless Panic Button

The Dahua wireless panic button is a smart and compact emergency button for instant emergency alerting. Thanks to bidirectional RF communication, this button provides a stable connection to the Dahua alarm system and gives clear feedback via multi-color LED indicators for different statuses (such as transmission successful, error or battery status).

This panic button is designed with ease of use as well as security in mind. Thanks to the prevention against unintentional pressing, false alarms are prevented. In addition, the device features cloud updates and automatic recovery from failed firmware updates for maximum reliability.