Motion sensor Allows you to know when there's movement in your home. Enjoy 24/7 peace of mind with optional ADT professional monitoring services Choose from a range of intrusion detection and life safety services with low month-to-month rates and no long-term contracts. Control your security system Download the SmartThings Mobile app to monitor and manage your system. Receive alerts if theres unexpected movement. Automate connected devices Set lights and other connected devices to turn on and off as people come and go. Easy installation The wall mount and mounting hardware are included.