This 3-piece set of soil hygrometer water detection modules is perfect for those who want to keep an eye on the moisture levels in their soil. The sensors are designed to work with DC current and come with a cable and connector for easy installation. The output is digital, making it easy to read and interpret. The Arduino sensor is compatible with a variety of devices and is ideal for DIY projects. The brand is unbranded/generic, and the model is LM393. The sensors are made in China and have not been modified. This bundle is suitable for anyone who wants to monitor their soil's moisture levels and is interested in industrial automation and motion controls.