Pair 60m 2 Beams Wire System Infrared Fence Style Active Photoelectric Detector Product Name : Active Infrared Fence Detector;Light Bundle Quantity : 2 Beams;Max Static State : &lt;=90;Consume Electricity (mA) : &lt;=70 Llight Bundle Distance : 60m;Alarm Distance : 40m;Power : DC12-18V;Alarm Output : Finites Infinity Compatibility Touch off Time : 40ms;Alarm Speed : Alarm Time&gt;=1.5sec;Light Axis Fix Time : Level: 180C (90C) Environment Conditions : Environment Temperature: -35C+55C Comparative Humidity: &lt;=95%;Housing Material : Alloy, Plastic;Housing Color : Black, White Size (Each One) : 38 x 3.5cm/ 15" x 1.4" (L*D);Net Weight : 324g;Package Content : Pair x Active Infrared Fence Detector Installation Parts