Small light barriers, W12, WL12G-3P2582S10, device type: light sensors and light barriers, switching distance max.: 0 m ... 4 m, sensor principle: reflection light barrier, detection principle: autocollimation, switching output: PNP, switching type: light switching, connection type: M12 connector, 5-pin, light transmitter: LED, light type: infrared light, housing material: die-cast zinc, setting: teach-in button