Catalog > Consumer Electronics > Security & Alarms > Alarms > IR Beam Detectors Dual IR Beam Dual IR Beam Self Standing AN900-U80 IR BEAM DUAL 80M OUTDOOR/240M INDOOR Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Detection Range 80m Outdoor240m Indoor Power Input 13.8~24VDC 11~18VAC Power Consumption 55mA max Interruption Period 50~700ms (Selectable) Alarm Period 2sec Nominal Alarm Output Form C Relay AC/DC30V 0.5Amax Alignment Angle ±5° Vertical ±360° Horizontal