Photoelectric sensors, W12, WL12G-3B2531S37, Sensing range max.: 0 m ... 2 m, Functional principle: Photoelectric retro-reflective sensor, Functional principle detail: Without reflector minimum distance (autocollimation/coaxial optics), Switching output: PNP, NPN, Switching mode: Light/dark switching, Connection type: Male connector M12, 5-pin, Light source: LED, Type of light: Visible red light, Housing material: Zinc diecast, Adjustment: Potentiometer, Housing: Rectangular