DAHUA - ARD2231-W2(868) - Wireless Combined Motion Detector

Pet immunity function. Auto temperature compensation.
3-level sensitivity adjustment.
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.
PIR and microwave motion detection. Uses RF to detect interference and supports data encryption.