Features: This line tracking module deliver detection (0.5cm error margin) and adjustable sensitivity for black/white recognition in complex environments. Three channel outputs, and integrated mounting holes for seamless integration with robotic systems, while ensures stable across varying light conditions. Ideal for robotics enthusiasts, and engineering students participating in autonomous vehicle competitions or developing navigation systems for educational/professional projects. Perfectly functions in classrooms, maker labs, and outdoor arenas for programming practice, automated guided vehicle development, and world robotics applications requiring tracking capabilities. Enable fast response (5ms) for high speed tracking scenarios, outperforming standard modules through enhanced LED/receiver pairing for competition accuracy. Specifications: Component:Printed Circuit Board Size:Approx.7.5cm/2.95inch sensory: TCRT5000 Package Includes: 1Pc Tracking Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.