Sort Trådløs Dual-Tech detektor, ARD2231-W2(868)-B

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.