Photoelectric sensors, W4, WLD4FP-213111A0ZZZ, Sensing range min. / max.: 0 m / 4.5 m, Functional principle: Photoelectric retro-reflective sensor, Functional principle detail: With minimum distance to reflector (dual lens system), Switching output: Push-pull: PNP/NPN, Switching mode: Dark switching, Connection type: Connector M8, 3-pin, Light source: PinPoint LED, Type of light: Visible red light, Housing material: VISTAL®, Adjustment: None, Housing: Rectangular