DETECTOR WRL PIR/868MHZ ARD1233-W2 DAHUA

Auto temperature compensation.3-level sensitivity adjustment.Signal strength detection.Low battery alarm.Temperature measurement.Frequency hopping function and two-way communication technology ensure communication stability.Cloud update and automatic recovery from update failureDetection Range: 12 mPet Immunity Level: ≤ 18 kgCarrier Frequency: 868.0 MHz–868.6 MHzCommunication Distance: Up to 1600 m in an open space, Two-wayEncryption Mode: AES128Power Supply: CR123A batteryBattery Life: 4 yearOperating Temperature: –15 °C to +65 °CProduct Dimensions: 104.0 mm × 60.0 mm × 50.0 mmTemperature Measuring Range: –15 °C to +65 °C