Photoelectric sensors, W100-2, WL100-2P1429, Functional principle: Photoelectric retro-reflective sensor, Functional principle detail: With minimum distance to reflector (dual lens system), Switching output: PNP, Switching mode: Light/dark switching, Connection type: Cable, 3-wire, 2 m, Light source: LED, Adjustment: Potentiometer, Communication interface: -, Included with delivery: Mounting bracket BEF-W100-A, Reflector P250