The Blink Indoor Motion Sensor is a compact and reliable device that helps you monitor your home for any movement. It uses advanced motion detection technology to detect any activity in its range and sends instant alerts to your smartphone. The motion sensor is easy to install and can be placed anywhere in your home. It works seamlessly with other Blink devices, such as cameras and doorbell, allowing you to create a comprehensive home security setup. With its long battery life and customizable settings, the Blink Indoor Motion Sensor is a great choice for enhancing the security of your home.