The ADT Samsung SmartThings Door and Window Detector Set of 2 is a wireless sensor unit designed to work with Samsung SmartThings for indoor surveillance. With a sleek white design and powered by 3V batteries, these detectors add an extra layer of security to your home by monitoring any doors or windows that you specify. Easy to set up and compatible with ADT systems, these detectors offer peace of mind and convenience for homeowners looking to enhance their smart home ecosystem with advanced monitoring capabilities.