The IDEC SA1E-PP1C is a versatile polarized retro-reflective switch with a 2.5m sensing range and an M8 plug for easy connectivity. It offers accurate and reliable detection with a fast response time, suitable for various applications. The compact housing design allows for installation in space-constrained areas. This switch features seven optical functions including background suppression, through-beam, diffuse-reflective, small-beam reflective, convergent reflective, and transparent object detection to accommodate diverse industrial needs.