Features: 1.Multiple Applications: Active infrared barrier passage sensor is widely used in vehicle gate system, access control system, security alarm system and so on. 2.Stable and Reliable to Use: Infrared barrier alarm can enhance the detector's ability to resist RFI or EMI, lightning protection, etc., and adapt to harsh environments. 3.Receiver Range: The receiver receiving distance is less than or equal to 15m or 49.2ft, when there is severe weather such as heavy rain or fog, the distance will be shortened by 30 percent . 4.Basic Parameter: Dimensions of active infrared radiation detector is about 100x35x40mm or 3.94x1.38x1.57in, wavelength is 940nm, and the input power is DC or AC 12 24V. 5.Ideal Choice: Infrared barrier detector is ideal for anti theft, alarms, safety devices and passage detectors, professional manufacturing, nice choice for your vehicle. Specification: Item Type: Infrared Beam Sensor Material: ABS and Metal Receiver Parameters: 15m or 49.2ft, when there is severe weather such as heavy rain or fog, the distance will be shortened by 30 percent . Infrared Emission Frequency: 1.92Khz Input Power: DC or AC 12-24V Wavelength: 940nm Input Current. RX 15mA-TX 30mA Working Environment: -10-70 Maximum Load: 36V Active Infrared Radiation Detector Dimensions: Approx. 100x35x40mm or 3.94x1.38x1.57in Application: Vehicle gate system, access control system, security alarm system PackageList: 2 x Alarm 6 x Screw 6 x Screw Sleeve 1 x Manual