The SICK GTE10-R3811 is a photoelectric proximity sensor from the G10 series that operates on the principle of background suppression. It provides reliable object detection regardless of reflective or varying background surfaces. The device is equipped with an infrared LED light source and features an NPN switching output. With its compact design, fast response, and IP67-rated housing, the GTE10-R3811 is ideal for use in industrial automation, logistics, packaging, and machine-building applications.