4-10 beams infrared barrier detector Newest interactive infrared emitting technology employed Strong aluminum alloy hull against damage Outdoor usage against rain, fog and strong light Infrared emitting power can be adjusted from large, middle to small. Alarm buzzer and led are utilized to help user to align the detector Frequency conversion technology employed Wired nc/no/com or wireless signal alarm output version available Model no.Lgx-xx, x refers to beams, xx refers to distance Alerting distance5 /10 / 20 / 30 / 40 / 50 / 60 / 80 / 100/ 150 meters Beams quantities4, 6, 8, 10 beams Light sourceInfrared light Detecting methodSimultaneous interruption of 2 adjacent infrared beams Response speed40ms Power and voltage Dc 10~18v Current consumption50-120ma, 12v Operating conditionOperating temperature: -25?~+55?, relative humidity: 5-95% Alarm-delay= 1s Alarm outputNc and no, capacity dc30v/2a Protection degreeIp55 Length70-165cm