Dual Beam Infrared Sensor with professional CPU chips, strong anti-interference, high levels of anti-RFI / capability. Full-function diagnostics, environmental adaptive, fault lock. With long lifesapn and low power consumption. Beam response time adjustment. You can adjust the installation height according to your pet height to prevent false alarm when pet passing. Digital Fuzzy Artificial Intelligence Identification: Using artificial intelligence fuzzy judgments, false positives to a minimum. Optical lens up and down while structural adjustments, to adjust faster and more accurately. This wired dual beam infrared sensor is stable and reliable. When interrupt the infrared, the relay output switch signal, it's suitable for window/door/fence, park, courtyard perimeter and alarm system as anti-burglar body detection. Specifications: Power Supply: DC13.8-24V; AC11-18V Current consumption: 65mA max Light Source: Infrared LED Infrared beam number: Two Detection Way: Interrupt two light at the same time Alarm Distance: 100m(outdoor); 300m(indoor) Induction Speed: 50-700msec Alarm Output: and Optional Contact Capacity: AC/DC30V 0.5Amax Light adjusting angle (Horizontal): 180 (90) Light adjusting angle (Vertical): 20 (10) Work With: Barrier /Alarm System,etc. Working temperature: -25C to and55C Item Size/Each: 16.9 x 8.5 x 8.5cm (DxWxH) Colour:black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 2 x Infrared Beam Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.