Optical sensors, reflex light barrier, cuboid-shaped plastic, range 22 m, 3-wire, DC PNP, operating voltage: 10...36 V DC, current consumption: 20 mA, light/dark switching programmable via button, plug connection, M12 plug connection, polarizing filter, teach function, electronic lock, housing material: housing: PA front frame: V4A control panel: TPE, optics material: PMMA