1、With the function of infrared alarm, the maximum sensing distance is about 12m/39.37ft. 2、After the sensor is installed, an alarm is issued when the object passes the range of the radiation. 3、Widely used in lift doors, revolving doors, sliding doors, fence security, window and balcony security, warehouse security, parking lots and other outdoor security venues. 4、This infrared sensor is suitable for door control anti-pinch / welcome, gate, automatic door, villa door, factory swing door, home sliding door, retractable door motor. 5、LED Light Indicator design will offer you much convenience to know details. 1 x Infrared Sensor1 x Lens 1 x Pack of Screws1 x Instruction Manual Item Type: Infrared sensorCondition: Brand newMaterial: ABSColor: As pictures shownInput Voltage: AC: 9V-24V, DC: 12V-24VWorking Current: <38mASensing Distance: <12m/ 39.37ftSensitivity: FixedReaction Time: About 30mSIntensity of Ambient Light: Maximum.5000LxLaunch Tube:Wavelength: 740nmType of Illumination: Visible red lightLED Lights Indication:Green LED Light: 1) Power switch2) The flashing light indicates that the signal is weak.Yellow LED Light: Signal of operating status (on/off: valid/invalid of signal)Working Temperature: -20 ° C - +70 ° CStorage Temperature: -30 ° C -+80 ° CApplication Scenarios: Lift doors, revolving doors, sliding doors, fence security, window and balcony security, warehouse security, parking lots and other outdoor security venues.