IO-Link is a standardized communication protocol used in industrial automation, not a specific brand. The 'Photoelectric sensors O12 miniature type' refers to compact photoelectric sensors compatible with IO-Link technology, often produced by manufacturers like Balluff (Germany), Sick (Germany), or IFM (Germany). These sensors are widely used in manufacturing, packaging, and logistics for object detection, positioning, and quality control. Companies like Balluff and IFM specialize in industrial automation solutions, offering IO-Link-enabled sensors for smart factory applications. The O12 miniature type is known for its small size and high precision, suitable for tight spaces in automated systems.