The DFRobot Gravity Photoelectric High Accuracy Liquid Level Sensor for Arduino is a precise and reliable sensor designed to monitor liquid levels in various applications. Using photoelectric technology, it detects changes in light reflection to accurately measure liquid levels, offering high precision. This sensor is ideal for liquid level monitoring in tanks, reservoirs, or industrial systems. It is compatible with Arduino boards, making it easy to integrate into DIY projects and automated systems. The sensor comes with adjustable sensitivity and is equipped with a straightforward interface, ensuring seamless setup and reliable performance for both beginners and advanced users.