Dahua ARD324-W2(868S) - Airshield Small Door Detector Plus
> Displays the temperature of the surrounding environment and supports the overheating alarm.
> Frequency hopping and two-way communication technology ensure that communication is stable.
> Supports cloud update and automatically restores when cloud update fails.
> Supports jamming detection and communication encryption.
> Supports tilt and shock detection, and generates alarms when the event happens.