Photoelectric sensors, G20, GLD20G-24112170ZZZ, Sensing range min. / max.: 0.03 m / 20 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: Light/dark switching, Connection type: Male connector M12, 4-pin, Light source: LED, Type of light: Visible red light, Housing material: ABS, Adjustment: Potentiometer, Housing: Rectangular