These Contrinex metal M12 and M18 photoelectric sensors offer complete overload protection and are IP67-rated. They are available in diffuse, diffuse with adjustable background suppression, retroreflective and through-beam models. Select models are IO-Link-compatible, providing continuous diagnostic data and easy sensor mode selection. All sensor outputs are complementary, allowing them to be used as a light-on or dark-on sensor. The sensors are UL-listed, CE-marked and RoHS-compliant.