... Inspection Triple Beams Alarm, Infrared Beam Sensor, Active Infrared beam sensor, active infrared detector, alarm productFeatures:*Triple Beams*Digital Frequency ... 1C Relay Contact Output, Contact Capability DC30V/0.5A MAX6.Power and Voltage: DC12~24V, AC11~18V7.Operation Current: 70mAmax ... (+-10 Degree) Triple Beams Alarm, Infrared Beam Sensor , Active Infrared Detector (JD-ABE-50/100/150/200/250)