Description:Photoelectric Proximity Sensor, Background Suppression, 11mmx31mmx20mm, Rectangular Housing, 5mm-100mm Sensing Range Max, 20mm-100mm Sensing Range, Visible Red Light, , 650nm Wave Length, Potentiometer, 4 Turns, Detecting Small Objects, Detection Of Objects Moving At High Speeds, 10-30VDC, PNP, Light/Dark Switching, Selectable Via Light/Dark Rotary Switch, Male Connector M8, 4-Pin, Plastic, ABS Housing, Plastic PMMA Optics Material, IP67, Stainless Steel Mounting Bracket Included