The contactless switch is suitable for contactless operation of lighting or other applications. The circuit takes place by bringing the hand in front of the contactless switch. Because there is no contact with the switch, this is a very simple and hygienic way of operating. In buildings with often changing people/residents/guests such as hospitals, hotels, office buildings and schools, the risk of transferring germs due to handcontact via mechanical switches is particularly large due to the large number of people. This prevents you by applying a contactless switch.