The Nest Detect Motion Sensor is a versatile device that offers both motion detection and open/close detection capabilities. It can detect motion within its range and also monitor doors, windows, and cabinets for any activity. The motion sensor works seamlessly with other Nest devices, such as the Nest Secure alarm system, allowing you to create a comprehensive home security setup. With its sleek and discreet design, the Nest Detect blends seamlessly into any home decor. It is easy to install and can be placed anywhere in your home. Whether you want to keep an eye on your living room, bedroom, or any other area, the Nest Detect Motion Sensor is a reliable choice.