Description/Features: Compatibility: Perfectly designed for projects, ensuring seamless integration and operation. Advanced Sensing: Utilizes IR technology with TCRT5000 sensors for accurate detection of reflective materials or barriers. Easy to Use: Simplified setup, suitable for beginners and professionals alike. Versatility: Ideal for a wide range of applications including line robots, object detection, and automatic control systems. Optimized Design: Compact form factor for efficient performance. Specifications: Color: Blue Material: ABS Due to different batches, there may be differences in product printed text, which not affect use Package Contents: 8 x Infrared Reflective Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.