Hive motion sensor sends alerts to your smartphone if there’s movement in your home, using the improved passive technology. It’s easy to install-either place it on a surface, or simply use the self-adhesive tabs to attach it to a wall. Hive app needs an apple iphone or ipad (iOS 7 or later), a device running android (min 4.0.3) or a windows desktop computer running the Hive web application.