Miniature light barriers, W150, max. switching distance: 2 mm ... 100 mm, sensor principle: reflection light sensor, detection principle: background suppression, switching output: PNP, switching type: light/dark switching, connection type: cable, 4-core, 2 m, light transmitter: LED, setting: potentiometer, communication interface: -, included in delivery: mounting bracket BEF-W150-A