Sensors Curtain
Multi Beam Sensors create an invisible wall or curtain of security sensors via multiple point to point (non-visible) sensors.
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Curtain/Barrier Photobeam Sensor, Seco-LarmCurtain/Barrier Photobeam Sensor, Seco-LarmThese infrared photobeam curtain/barrier sensors are perfect for installation in windows, doorways, skylights, fence tops, any place where space is limited. Requires seperate sounder, alert or chime system (and power supply for sensor and possibly chime).