Dahua Wireless Dual-Tech 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.