Features 1、Dual Beam Infrared Sensor with professional CPU chips, strong anti interference, high levels of anti RFI / EMI capability. 2、Full function diagnostics, environmental adaptive, fault lock. With long lifesapn and low power consumption. 3、Beam response time adjustment. You can adjust the installation height according to your pet height to prevent false alarm when pet passing. 4、Digital Fuzzy Artificial Intelligence Identification: Using artificial intelligence fuzzy judgments, false positives to a minimum. 5、Optical lens up and down while structural adjustments, to adjust faster and more accurately. Specifications Specifications: Power Supply: DC13.8~24V; AC11~18V Current consumption: 65mA maximum Light Source: Infrared LED Infrared beam number: Two beams Detection Way: Interrupt two light beams at the same time Alarm Distance: 100m(outdoor); 300m(indoor) Induction Speed: 50-700msec Alarm Output: N/O & N/C Optional Contact Capacity: AC/DC30V 0.5A maximum Light adjusting angle (Horizontal): 180° (±90°) Light adjusting angle (Vertical): 20° (±10°) Work With: Barrier Defense/Alarm System,etc. Material: Aluminum, PC Working temperature: -25°C to +55°C Item Size/Each: 16.9 * 8.5 * 8.5cm (D*W*H) Item Weight(with case)/Each: 255g Package List 1 * Pair of Dual Beam Sensor 1 * Set of Mounting Screws 1 * User Manual