Miniature photoelectric sensors; W2S-2; Sensing range max.: 1 mm ... 150 mm; Sensor/detection principle: Photoelectric proximity sensor, Background suppression; Connection type / output type / output function: Cable with male connector, M8, 4-pin, 200 mm, PVC, PNP, Light/dark switching; Light sender/type of light: PinPoint LED, visible red light; Adjustment: Potentiometer, 3 turns