Through-beam photoelectric sensor with universal AC/DC wide voltage input and relay contact output, 10 m detection range, infrared LED. It supports 24–240 VAC / 12–24 VDC, contact capacity 250 VAC 3 A, response time up to 20 ms. Separate emitter and receiver design, IP65 protection, stable optical alignment aided by indicators. Relay output adapts to various legacy control circuits, widely used for safety auxiliary detection and large equipment access signal feedback.