Motion / Beam Detectors

Motion / Beam Detectors
Interior motion detectors allow security systems to detect intruders moving inside a building. PE beams, or photoelectric beams, are used to sense distance, nonappearance or appearance of an item using a light transmitter. SES is a leading wholesale distributor and supplier of top-quality intrusion products like interior motion detectors and PE beams that keep your customers' homes and busineses safe.