Miniature light barriers, W150, WS/WE150-P430, switching distance max.: 0 m ... 4.4 m, sensor principle: through-beam light barrier, switching output: PNP, switching type: light/dark switching, connection type: connector M8, 4-pin, light transmitter: LED, setting: potentiometer, communication interface: -, included in delivery: mounting bracket BEF-W150-A