The Smart Switch is a battery-operated, wireless switch for up to 4 different functions that can control all Smart devices from SG. Functions are programmed via the SG LEDDIM app. It can be used to activate scenarios or control dimmers or groups/rooms.The Smart Switch can be installed in or directly onto the wall / glass, or used as a remote control. The outer frame can be removed, and the other part placed into standard frames from suppliers such as Elko. It is supplied with multiple buttons as standard. There is one full button and two half buttons without any labels, as well as a full button and four half buttons with the most common labels such as home/away and morning/night.The battery life span is 2-5 years depending on use, and uses a standard button battery than can easily be replaced.