I just upgraded to the smart lock with designed-in movie doorbell camera — and it’s a sport changer for my home They're only schematic diagrams to clarify about the different types of preparations you may perhaps discover when switching a light fitting. Most smart light switches will do the job https://smartlightswitches87418.webdesign96.com/35289895/top-latest-five-smart-power-points-and-switches-urban-news