The Laser Sensor with Sensor Modules ROHS manufactured by Waveshare is a type of sensor that uses infrared light to detect obstacles in its field of view. It is easy to mount and use, and is ideal for robotics and other applications that require obstacle detection. The module is compliant with RoHS environmental standards, meaning that it is free from hazardous substances that can be damaging to the environment, making it an ideal choice for eco-friendly manufacturing. The Laser Sensor is also waterproof, making it suitable for outdoor applications. It features adjustable sensitivity, allowing the user to customize it to their specific needs, and has a detection range of up to three meters, giving it a wide range of use.