Dahua Alarm Wireless PIR Detector Dual-Tech ARD2231-W2(868)

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
Supports jamming detection and communication encryption