Features: Achieve precise line Trackings with 7 channel grayscale Sensors module, to detect ground color changes in real for enhances robot navigation accuracy. Featurings seven digital outputs and modular, this Sensors module ensures easy integration with various microcontrollers, offering flexibility and stability in complex Trackings control. for robotics enthusiasts, STEM educators, and engineers, this module supports the development of line following car and robot, enhancing programming and electronic engineering skills. for use in navigation projects, warehouse management, and robotics competitions, ensuring accurate route adherence and improved Performances. with PCB materials, this Sensors module is equipped with LED indicators for time status monitoring, making for environmental conditions. Specifications: Materials: PCB Size:29x8mm/1.14x0.31inch Package Includes: 1Set 7 Channel Trackings Sensors note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.