The SICK GTE10-N1221 is a photoelectric proximity sensor from the G10 series with background suppression. It ensures reliable detection of objects regardless of reflective or variable backgrounds. The sensor uses a visible red light LED as the light source and features an NPN switching output. With a long sensing range, compact design, fast response time, and IP67-rated housing, the GTE10-N1221 is suitable for industrial automation, logistics, packaging, and machine integration applications.