The Wyze Home Security System Entry Sensor 3 Pack in White is a set of entry sensors designed to monitor windows and doors in your home. With a sleek and compact design, these sensors are easy to install and provide added security to your living space. This pack includes three sensors, making it ideal for monitoring multiple entry points in your home. The Wyze brand ensures quality and reliability, and the sensors are compatible with various smart home systems for added convenience and peace of mind.