Features: 1High Performance: High stability passive infrared detector using advanced signal analysis and processing technology provides superb detection and anti false alarm performance. 2Work Principle: When an intruder passes through the detection area the detector will automatically detect the activities of the human body in the area. If there is dynamic movement it will send an alarm signal to the control host. 3Applicability: Suitable for security protection in family residential areas houses villas factories shopping malls warehouses office buildings and other places. 4Fashionable Appearance: With a variety of home styles the design is compact and compact hidden and does not take up space. 5Automatic Detection: High stability anti interference easy installation automatic detection of human activities and rapid identification of intruders. Specification: Item Type:MotionDetectorAlarmProduct Material: ABSQuiescent Current: 70mA (Network Type)Alarm Current: 90mAAlarm Indication: Red LEDAlarm Sound Pressure: 85dB/mOperating Temperature: -10~+50Ambient Humidity: 95%RH (No Condensation)Monitoring Area: 40Alarm Mode: Sound And Light Alarm (With Buzzer)Relay: Normally Open Normally Closed (Network Type)Applicable: Residential Areas Houses Villas Factories Shopping Malls Warehouses Office Buildings Etc.Weight: Approx.153g / 5.4oz Package List: 1 x Sensor1 x Test Line1 xUser Manual2 x Screw2 x Expansion Tube