DAHUA - ARD324-W2(868S) - Wireless Enhanced Magnetic Contact Detector

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.