Small light barriers, W12, WL12L-2B520, Device type: Light sensors and light barriers, Max. switching distance: 0 m ... 15 m, Sensor principle: Reflection light barrier, Detection principle: Autocollimation, Switching output: PNP, NPN, Switching type: Light switching, Dark switching, Connection type: M12 connector, 5-pin, Light transmitter: Laser, Light type: Visible red light, Adjustment: Potentiometer, Special features: Focusable from 150 mm to 450 mm, Included in delivery: 2 x clamp holder BEF-KH-W12, incl. screws