Requires Wyze Home Security System Core Kit. This device will NOT function as an individual or standalone product. Place the Wyze Motion Sensor around your home to be notified when motion is detected up to 25 ft within its 120° field of view detection zone. Adjustable sensitivity settings lets you detect only what you want. Pet immune – detects humans and not pets. The adhesive back makes it easy to install on walls with the option to use screws for added security. Fully wireless – 18-month battery life.