Burglar alarms utilizing photobeam sensors are among the most effective alarm systems. Security Store USA offers a considerable number of photobeam sensor types from the leading names in the field. We carry indoor and outdoor commercial and home alarm photobeam sensors that are capable of various range sensitivities, including long distance. Configurations encompass single, twin, and even dual sided sensors for 360º coverage. Various models can be set to different frequencies to provide sensor stacking.