Small light barriers, W12-2 Laser, max. switching distance: 30 mm ... 200 mm, sensor principle: reflection light sensor, detection principle: background suppression, switching output: PNP, NPN, switching type: light switching, dark switching, connection type: M12 connector, 5-pin, light transmitter: laser, setting: potentiometer, laser class: 2, included in delivery: 2 x clamp holder BEF-KH-W12, including screws