Features: This Intelligent Car Speed Sensors Module utilizes encoders counting principle to accurately measure the speed of car, making it ideal for precise applications like logistics robots. Featuring a simple yet reliable pulse counting method, this module provides high precise speed data by detecting changes in the encoders scale, suitable for various encoders types. Design for engineers and hobbyists alike, this sensors module is perfect for those look to enhances their car projects with precise speed measurement capabilities. Ideal for use in environment requiring accurate speed control, such as automateds guided vehicles and logistics robots, this module ensures optimal performances in diverse setting. With integrated indicator light, users can easily monitor the operational status of the sensors module, facilitating quick troubleshooting and ensuring seamlessly functionality. Specifications: Component:Plastic Size:Approx.26.7x21mm/1.05x0.82inch Package Includes: 1pc Speed Sensors Module note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.