Feature: 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/49.2ft, when there is severe weather such as heavy rain or fog, the distance will be shortened by 30%. 4. Basic Parameter: Dimensions of active infrared radiation detector is about 100x35x40mm/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 + Metal Receiver Parameters: ≤15m/49.2ft, when there is severe weather such as heavy rain or fog, the distance will be shortened by 30%. 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/3.94x1.38x1.57in Application: Vehicle gate system, access control system, security alarm system. Package List: 2 x Alarm6 x Screw6 x Screw Sleeve1 x Manual